chore(deps): update Go dependencies

* Optionally allow warnings in QPDF operations

* warnings are not errors by default

* Apply suggestions from code review

Co-authored-by: Julien Neuhart <neuhart.julien@gmail.com>

* fix some merge artifacts

* follow the args convention

---------

Co-authored-by: Julien Neuhart <neuhart.julien@gmail.com>

.env

@@ -1,4 +1,4 @@
-GOLANG_VERSION=1.23
+GOLANG_VERSION=1.24
 DOCKER_REGISTRY=gotenberg
 DOCKER_REPOSITORY=gotenberg
 GOTENBERG_VERSION=snapshot
@@ -7,7 +7,7 @@ GOTENBERG_USER_UID=1001
 NOTO_COLOR_EMOJI_VERSION=v2.047 # See https://github.com/googlefonts/noto-emoji/releases.
 PDFTK_VERSION=v3.3.3 # See https://gitlab.com/pdftk-java/pdftk/-/releases - Binary package.
 PDFCPU_VERSION=v0.8.1 # See https://github.com/pdfcpu/pdfcpu/releases.
-GOLANGCI_LINT_VERSION=v1.63.4 # See https://github.com/golangci/golangci-lint/releases.
+GOLANGCI_LINT_VERSION=v1.64.2 # See https://github.com/golangci/golangci-lint/releases.
 GOTENBERG_VERSION=snapshot
 DOCKERFILE=build/Dockerfile
 DOCKERFILE_CLOUDRUN=build/Dockerfile.cloudrun

.github/workflows/continuous-delivery.yml

@@ -50,8 +50,6 @@ jobs:
     name: Release linux/arm64
     runs-on: ubuntu-24.04-arm
     outputs:
-      docker_hub_username: ${{ secrets.DOCKERHUB_USERNAME }}
-      docker_hub_password: ${{ secrets.DOCKERHUB_TOKEN }}
       tags: ${{ steps.build_push.outputs.tags }}
       tags_cloud_run: ${{ steps.build_push.outputs.tags_cloud_run }}
     steps:

.github/workflows/continuous-integration.yml

@@ -32,7 +32,7 @@ jobs:
       - name: Run linters
         uses: golangci/golangci-lint-action@v6
         with:
-          version: v1.63.4
+          version: v1.64.2
 
   tests:
     needs:

.golangci.yml

@@ -37,12 +37,12 @@ linters:
     - promlinter
     #- sloglint
     - staticcheck
-    - tenv
     - testableexamples
     - tparallel
     - typecheck
     - unconvert
     - unused
+    - usetesting
     - wastedassign
     - whitespace
 

Makefile

@@ -63,6 +63,7 @@ LIBREOFFICE_DISABLE_ROUTES=false
 LOG_LEVEL=info
 LOG_FORMAT=auto
 LOG_FIELDS_PREFIX=
+LOG_ENABLE_GCP_SEVERITY=false
 PDFENGINES_ENGINES=
 PDFENGINES_MERGE_ENGINES=qpdf,pdfcpu,pdftk
 PDFENGINES_SPLIT_ENGINES=pdfcpu,qpdf,pdftk
@@ -134,6 +135,7 @@ run: ## Start a Gotenberg container
 	--log-level=$(LOG_LEVEL) \
 	--log-format=$(LOG_FORMAT) \
 	--log-fields-prefix=$(LOG_FIELDS_PREFIX) \
+	--log-enable-gcp-severity=$(LOG_ENABLE_GCP_SEVERITY) \
 	--pdfengines-engines=$(PDFENGINES_ENGINES) \
 	--pdfengines-merge-engines=$(PDFENGINES_MERGE_ENGINES) \
 	--pdfengines-split-engines=$(PDFENGINES_SPLIT_ENGINES) \

README.md

@@ -1,7 +1,7 @@
 <p align="center">
     <img src="https://user-images.githubusercontent.com/8983173/130322857-185831e2-f041-46eb-a17f-0a69d066c4e5.png" alt="Gotenberg Logo" width="150" height="150" />
     <h3 align="center">Gotenberg</h3>
-    <p align="center">A Docker-powered stateless API for PDF files</p>
+    <p align="center">A containerized API for seamless PDF conversion</p>
     <p align="center">
         <a href="https://hub.docker.com/r/gotenberg/gotenberg"><img alt="Total downloads (gotenberg/gotenberg)" src="https://img.shields.io/docker/pulls/gotenberg/gotenberg"></a>
         <a href="https://hub.docker.com/r/thecodingmachine/gotenberg"><img alt="Total downloads (thecodingmachine/gotenberg)" src="https://img.shields.io/docker/pulls/thecodingmachine/gotenberg"></a>
@@ -45,6 +45,9 @@ Head to the [documentation](https://gotenberg.dev/docs/getting-started/introduct
     <a href="https://zolsec.com?utm_source=gotenberg_github&utm_medium=website" target="_blank">
         <img src="https://github.com/gotenberg/gotenberg/assets/8983173/707ccc97-a79b-4dcb-8fc8-6827366e5be3" alt="Zolsec Logo" width="333" height="163" />
     </a>
+    <a href="https://pdfme.com?utm_source=gotenberg_github&utm_medium=website" target="_blank">
+        <img src="https://github.com/user-attachments/assets/2a75dd40-ca18-4d34-acd5-5dd474595168" alt="pdfme Logo" width="333" height="163" />
+    </a>
 </p>
 
 Sponsorships help maintaining and improving Gotenberg - [become a sponsor](https://github.com/sponsors/gulien) ❤️

build/Dockerfile

@@ -63,7 +63,7 @@ ARG NOTO_COLOR_EMOJI_VERSION
 ARG PDFTK_VERSION
 
 LABEL org.opencontainers.image.title="Gotenberg" \
-      org.opencontainers.image.description="A Docker-powered stateless API for PDF files." \
+      org.opencontainers.image.description="A containerized API for seamless PDF conversion." \
       org.opencontainers.image.version="$GOTENBERG_VERSION" \
       org.opencontainers.image.authors="Julien Neuhart <neuhart.julien@gmail.com>" \
       org.opencontainers.image.documentation="https://gotenberg.dev" \
@@ -171,7 +171,7 @@ RUN \
     apt-get update -qq &&\
     apt-get upgrade -yqq &&\
     DEBIAN_FRONTEND=noninteractive apt-get install -y -qq --no-install-recommends -t bookworm-backports libreoffice &&\
-    curl -Ls https://raw.githubusercontent.com/gotenberg/unoconverter/v0.0.1/unoconv -o /usr/bin/unoconverter &&\
+    curl -Ls https://raw.githubusercontent.com/gotenberg/unoconverter/v0.1.1/unoconv -o /usr/bin/unoconverter &&\
     chmod +x /usr/bin/unoconverter &&\
     # unoconverter will look for the Python binary, which has to be at version 3.
     ln -s /usr/bin/python3 /usr/bin/python &&\

cmd/gotenberg.go

@@ -24,7 +24,7 @@ const banner = `
 \___/\___/\__/\__/_//_/_.__/\__/_/  \_, / 
                                    /___/
 
-A Docker-powered stateless API for PDF files.
+A containerized API for seamless PDF conversion.
 Version: %s
 -------------------------------------------------------
 `

go.mod

@@ -1,45 +1,45 @@
 module github.com/gotenberg/gotenberg/v8
 
-go 1.23.0
+go 1.24.0
 
 require (
 	github.com/alexliesenfeld/health v0.8.0
 	github.com/andybalholm/brotli v1.1.1 // indirect
 	github.com/barasher/go-exiftool v1.10.0
-	github.com/chromedp/cdproto v0.0.0-20250203011601-a3c71a042730
+	github.com/chromedp/cdproto v0.0.0-20250311215558-29dfcc2791de
-	github.com/chromedp/chromedp v0.12.1
+	github.com/chromedp/chromedp v0.13.1
 	github.com/google/uuid v1.6.0
 	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
 	github.com/hashicorp/go-retryablehttp v0.7.7
-	github.com/klauspost/compress v1.17.11 // indirect
+	github.com/klauspost/compress v1.18.0 // indirect
 	github.com/klauspost/pgzip v1.2.6 // indirect
 	github.com/labstack/echo/v4 v4.13.3
 	github.com/labstack/gommon v0.4.2
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/microcosm-cc/bluemonday v1.0.27
 	github.com/pierrec/lz4/v4 v4.1.22 // indirect
-	github.com/prometheus/client_golang v1.20.5
+	github.com/prometheus/client_golang v1.21.1
 	github.com/russross/blackfriday/v2 v2.1.0
 	github.com/spf13/pflag v1.0.6
 	github.com/ulikunitz/xz v0.5.12 // indirect
 	go.uber.org/multierr v1.11.0
 	go.uber.org/zap v1.27.0
-	golang.org/x/crypto v0.32.0 // indirect
+	golang.org/x/crypto v0.36.0 // indirect
-	golang.org/x/net v0.34.0
+	golang.org/x/net v0.37.0
-	golang.org/x/sync v0.11.0
+	golang.org/x/sync v0.12.0
-	golang.org/x/sys v0.30.0 // indirect
+	golang.org/x/sys v0.31.0 // indirect
-	golang.org/x/term v0.29.0
+	golang.org/x/term v0.30.0
-	golang.org/x/text v0.22.0
+	golang.org/x/text v0.23.0
 )
 
 require (
-	github.com/dlclark/regexp2 v1.11.4
+	github.com/dlclark/regexp2 v1.11.5
 	github.com/mholt/archives v0.1.0
-	github.com/shirou/gopsutil/v4 v4.25.1
+	github.com/shirou/gopsutil/v4 v4.25.2
 )
 
 require (
-	github.com/STARRY-S/zip v0.2.1 // indirect
+	github.com/STARRY-S/zip v0.2.2 // indirect
 	github.com/aymerick/douceur v0.2.0 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/bodgit/plumbing v1.3.0 // indirect
@@ -49,6 +49,7 @@ require (
 	github.com/chromedp/sysutil v1.1.0 // indirect
 	github.com/dsnet/compress v0.0.2-0.20230904184137-39efe44ab707 // indirect
 	github.com/ebitengine/purego v0.8.2 // indirect
+	github.com/go-json-experiment/json v0.0.0-20250223041408-d3c622f1b874 // indirect
 	github.com/go-ole/go-ole v1.3.0 // indirect
 	github.com/gobwas/httphead v0.1.0 // indirect
 	github.com/gobwas/pool v0.2.1 // indirect
@@ -57,24 +58,22 @@ require (
 	github.com/hashicorp/errwrap v1.1.0 // indirect
 	github.com/hashicorp/go-multierror v1.1.1 // indirect
 	github.com/hashicorp/golang-lru/v2 v2.0.7 // indirect
-	github.com/josharian/intern v1.0.0 // indirect
+	github.com/lufia/plan9stats v0.0.0-20250303091104-876f3ea5145d // indirect
-	github.com/lufia/plan9stats v0.0.0-20240909124753-873cd0166683 // indirect
-	github.com/mailru/easyjson v0.9.0 // indirect
 	github.com/mattn/go-colorable v0.1.14 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
-	github.com/nwaples/rardecode/v2 v2.1.0 // indirect
+	github.com/nwaples/rardecode/v2 v2.1.1 // indirect
 	github.com/power-devops/perfstat v0.0.0-20240221224432-82ca36839d55 // indirect
 	github.com/prometheus/client_model v0.6.1 // indirect
-	github.com/prometheus/common v0.62.0 // indirect
+	github.com/prometheus/common v0.63.0 // indirect
 	github.com/prometheus/procfs v0.15.1 // indirect
 	github.com/sorairolake/lzip-go v0.3.5 // indirect
 	github.com/therootcompany/xz v1.0.1 // indirect
-	github.com/tklauser/go-sysconf v0.3.14 // indirect
+	github.com/tklauser/go-sysconf v0.3.15 // indirect
-	github.com/tklauser/numcpus v0.9.0 // indirect
+	github.com/tklauser/numcpus v0.10.0 // indirect
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
 	github.com/valyala/fasttemplate v1.2.2 // indirect
 	github.com/yusufpapurcu/wmi v1.2.4 // indirect
 	go4.org v0.0.0-20230225012048-214862532bf5 // indirect
-	golang.org/x/time v0.10.0 // indirect
+	golang.org/x/time v0.11.0 // indirect
 	google.golang.org/protobuf v1.36.5 // indirect
 )

go.sum

@@ -17,8 +17,8 @@ cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0Zeo
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
-github.com/STARRY-S/zip v0.2.1 h1:pWBd4tuSGm3wtpoqRZZ2EAwOmcHK6XFf7bU9qcJXyFg=
+github.com/STARRY-S/zip v0.2.2 h1:8QeCbIi1Z9U5MgoDARJR1ClbBo9RD46SmVy+dl0woCk=
-github.com/STARRY-S/zip v0.2.1/go.mod h1:xNvshLODWtC4EJ702g7cTYn13G53o1+X9BWnPFpcWV4=
+github.com/STARRY-S/zip v0.2.2/go.mod h1:lqJ9JdeRipyOQJrYSOtpNAiaesFO6zVDsE8GIGFaoSk=
 github.com/alexliesenfeld/health v0.8.0 h1:lCV0i+ZJPTbqP7LfKG7p3qZBl5VhelwUFCIVWl77fgk=
 github.com/alexliesenfeld/health v0.8.0/go.mod h1:TfNP0f+9WQVWMQRzvMUjlws4ceXKEL3WR+6Hp95HUFc=
 github.com/andybalholm/brotli v1.1.1 h1:PR2pgnyFznKEugtsUo0xLdDop5SKXd5Qf5ysW+7XdTA=
@@ -38,10 +38,10 @@ github.com/bodgit/windows v1.0.1/go.mod h1:a6JLwrB4KrTR5hBpp8FI9/9W9jJfeQ2h4XDXU
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/chromedp/cdproto v0.0.0-20250203011601-a3c71a042730 h1:IEa+Va47x06CJQaLKFoce5iPTRRR5uI/GbeZbxdnYdc=
+github.com/chromedp/cdproto v0.0.0-20250311215558-29dfcc2791de h1:tOKSCbB420VENW1Wz10EnSXr4jLnWoq25vnBW4ScmF0=
-github.com/chromedp/cdproto v0.0.0-20250203011601-a3c71a042730/go.mod h1:RTGuBeCeabAJGi3OZf71a6cGa7oYBfBP75VJZFLv6SU=
+github.com/chromedp/cdproto v0.0.0-20250311215558-29dfcc2791de/go.mod h1:NItd7aLkcfOA/dcMXvl8p1u+lQqioRMq/SqDp71Pb/k=
-github.com/chromedp/chromedp v0.12.1 h1:kBMblXk7xH5/6j3K9uk8d7/c+fzXWiUsCsPte0VMwOA=
+github.com/chromedp/chromedp v0.13.1 h1:FDh9CfaAt0w70gl69Hb69M/xgZrWuppH9AW22aGa+iU=
-github.com/chromedp/chromedp v0.12.1/go.mod h1:F6+wdq9LKFDMoyxhq46ZLz4VLXrsrCAR3sFqJz4Nqc0=
+github.com/chromedp/chromedp v0.13.1/go.mod h1:O3nO4Lno7iLoVX+7GdqQkehhKG7DtLf/zFRyJo0AhXY=
 github.com/chromedp/sysutil v1.1.0 h1:PUFNv5EcprjqXZD9nJb9b/c9ibAbxiYo4exNWZyipwM=
 github.com/chromedp/sysutil v1.1.0/go.mod h1:WiThHUdltqCNKGc4gaU50XgYjwjYIhKWoHGPTUfWTJ8=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
@@ -51,8 +51,8 @@ github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDk
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/dlclark/regexp2 v1.11.4 h1:rPYF9/LECdNymJufQKmri9gV604RvvABwgOA8un7yAo=
+github.com/dlclark/regexp2 v1.11.5 h1:Q/sSnsKerHeCkc/jSTNq1oCm7KiVgUMZRDUoRu0JQZQ=
-github.com/dlclark/regexp2 v1.11.4/go.mod h1:DHkYz0B9wPfa6wondMfaivmHpzrQ3v9q8cnmRbL6yW8=
+github.com/dlclark/regexp2 v1.11.5/go.mod h1:DHkYz0B9wPfa6wondMfaivmHpzrQ3v9q8cnmRbL6yW8=
 github.com/dsnet/compress v0.0.2-0.20230904184137-39efe44ab707 h1:2tV76y6Q9BB+NEBasnqvs7e49aEBFI8ejC89PSnWH+4=
 github.com/dsnet/compress v0.0.2-0.20230904184137-39efe44ab707/go.mod h1:qssHWj60/X5sZFNxpG4HBPDHVqxNm4DfnCKgrbZOT+s=
 github.com/dsnet/golib v0.0.0-20171103203638-1ea166775780/go.mod h1:Lj+Z9rebOhdfkVLjJ8T6VcRQv3SXugXy999NBtR9aFY=
@@ -64,6 +64,8 @@ github.com/fatih/color v1.16.0 h1:zmkK9Ngbjj+K0yRhTVONQh1p/HknKYSlNT+vZCzyokM=
 github.com/fatih/color v1.16.0/go.mod h1:fL2Sau1YI5c0pdGEVCbKQbLXB6edEj1ZgiY4NijnWvE=
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
+github.com/go-json-experiment/json v0.0.0-20250223041408-d3c622f1b874 h1:F8d1AJ6M9UQCavhwmO6ZsrYLfG8zVFWfEfMS2MXPkSY=
+github.com/go-json-experiment/json v0.0.0-20250223041408-d3c622f1b874/go.mod h1:TiCD2a1pcmjd7YnhGH0f/zKNcCD06B029pHhzV23c2M=
 github.com/go-ole/go-ole v1.2.6/go.mod h1:pprOEPIfldk/42T2oK7lQ4v4JSDwmV0As9GaiUsvbm0=
 github.com/go-ole/go-ole v1.3.0 h1:Dt6ye7+vXGIKZ7Xtk4s6/xVdGDQynvom7xCFEdWr6uE=
 github.com/go-ole/go-ole v1.3.0/go.mod h1:5LS6F96DhAwUc7C+1HLexzMXY1xGRSryjyPPKW6zv78=
@@ -92,8 +94,8 @@ github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMyw
 github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
-github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
 github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs=
 github.com/google/pprof v0.0.0-20181206194817-3ea8567a2e57/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc=
 github.com/google/pprof v0.0.0-20190515194954-54271f7e092f/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc=
@@ -121,14 +123,12 @@ github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ
 github.com/hashicorp/golang-lru/v2 v2.0.7 h1:a+bsQ5rvGLjzHuww6tVxozPZFVghXaHOwFs4luLUK2k=
 github.com/hashicorp/golang-lru/v2 v2.0.7/go.mod h1:QeFd9opnmA6QUJc5vARoKUSoFhyfM2/ZepoAG6RGpeM=
 github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
-github.com/josharian/intern v1.0.0 h1:vlS4z54oSdjm0bgjRigI+G1HpF+tI+9rE5LLzOg8HmY=
-github.com/josharian/intern v1.0.0/go.mod h1:5DoeVV0s6jJacbCEi61lwdGj/aVlrQvzHFFd8Hwg//Y=
 github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
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@@ -143,10 +143,8 @@ github.com/labstack/gommon v0.4.2 h1:F8qTUNXgG1+6WQmqoUWnz8WiEU60mXVVw0P4ht1WRA0
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@@ -157,8 +155,8 @@ github.com/microcosm-cc/bluemonday v1.0.27 h1:MpEUotklkwCSLeH+Qdx1VJgNqLlpY2KXwX
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@@ -167,21 +165,21 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
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@@ -199,10 +197,10 @@ github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOf
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@@ -232,8 +230,8 @@ golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8U
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-golang.org/x/crypto v0.32.0 h1:euUpcYgM8WcP71gNpTqQCn6rC2t6ULUPiOzfWaXVVfc=
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@@ -276,8 +274,8 @@ golang.org/x/net v0.0.0-20200202094626-16171245cfb2/go.mod h1:z5CRVTTTmAJ677TzLL
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-golang.org/x/net v0.34.0 h1:Mb7Mrk043xzHgnRM88suvJFwzVrRfHEHJEl5/71CKw0=
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@@ -290,8 +288,8 @@ golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJ
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@@ -313,13 +311,13 @@ golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBc
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-golang.org/x/sys v0.30.0 h1:QjkSwP/36a20jFYWkSue1YwXzLmsV5Gfq7Eiy72C1uc=
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-golang.org/x/term v0.29.0 h1:L6pJp37ocefwRRtYPKSWOWzOtWSxVajvz2ldH/xi3iU=
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+golang.org/x/term v0.30.0/go.mod h1:NYYFdzHoI5wRh/h5tDMdMqCqPJZEuNqVR5xJLd/n67g=
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@@ -327,12 +325,12 @@ golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
-golang.org/x/text v0.22.0 h1:bofq7m3/HAFvbF51jz3Q9wLg3jkvSPuiZu/pD1XwgtM=
+golang.org/x/text v0.23.0 h1:D71I7dUrlY+VX0gQShAThNGHFxZ13dGLBHQLVl1mJlY=
-golang.org/x/text v0.22.0/go.mod h1:YRoo4H8PVmsu+E3Ou7cqLVH8oXWIHVoX0jqUWALQhfY=
+golang.org/x/text v0.23.0/go.mod h1:/BLNzu4aZCJ1+kcD0DNRotWKage4q2rGVAg4o22unh4=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
-golang.org/x/time v0.10.0 h1:3usCWA8tQn0L8+hFJQNgzpWbd89begxN66o1Ojdn5L4=
+golang.org/x/time v0.11.0 h1:/bpjEDfN9tkoN/ryeYHnv5hcMlc8ncjMcM4XBk5NWV0=
-golang.org/x/time v0.10.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
+golang.org/x/time v0.11.0/go.mod h1:CDIdPxbZBQxdj6cxyCIdrNogrJKMJ7pr37NYpMcMDSg=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=

pkg/gotenberg/debug.go

@@ -2,6 +2,7 @@ package gotenberg
 
 import (
 	"runtime"
+	"sort"
 	"sync"
 
 	flag "github.com/spf13/pflag"
@@ -42,6 +43,8 @@ func BuildDebug(ctx *Context) {
 		debug.ModulesAdditionalData[ID] = debuggable.Debug()
 	}
 
+	sort.Sort(AlphanumericSort(debug.Modules))
+
 	ctx.ParsedFlags().VisitAll(func(f *flag.Flag) {
 		debug.Flags[f.Name] = f.Value.String()
 	})

pkg/gotenberg/debug_test.go

@@ -53,8 +53,8 @@ func TestBuildDebug(t *testing.T) {
 		Version:      Version,
 		Architecture: runtime.GOARCH,
 		Modules: []string{
-			"foo",
 			"bar",
+			"foo",
 		},
 		ModulesAdditionalData: map[string]map[string]interface{}{
 			"bar": {

pkg/gotenberg/fs.go

@@ -3,8 +3,6 @@ package gotenberg
 import (
 	"fmt"
 	"os"
-	"path/filepath"
-	"strings"
 
 	"github.com/google/uuid"
 )
@@ -86,25 +84,6 @@ func (fs *FileSystem) MkdirAll() (string, error) {
 	return path, nil
 }
 
-// WalkDir walks through the root level of a directory and returns a list of
-// files paths that match the specified file extension.
-func WalkDir(dir, ext string) ([]string, error) {
-	var files []string
-	err := filepath.Walk(dir, func(path string, info os.FileInfo, pathErr error) error {
-		if pathErr != nil {
-			return pathErr
-		}
-		if info.IsDir() {
-			return nil
-		}
-		if strings.EqualFold(filepath.Ext(info.Name()), ext) {
-			files = append(files, path)
-		}
-		return nil
-	})
-	return files, err
-}
-
 // Interface guards.
 var (
 	_ MkdirAll   = (*OsMkdirAll)(nil)

pkg/gotenberg/fs_test.go

@@ -6,7 +6,6 @@ import (
 	"io"
 	"os"
 	"path/filepath"
-	"reflect"
 	"strings"
 	"testing"
 
@@ -145,78 +144,3 @@ func TestFileSystem_MkdirAll(t *testing.T) {
 		})
 	}
 }
-
-func TestWalkDir(t *testing.T) {
-	for _, tc := range []struct {
-		scenario    string
-		dir         string
-		ext         string
-		expectError bool
-		expectFiles []string
-	}{
-		{
-			scenario:    "directory does not exist",
-			dir:         uuid.NewString(),
-			ext:         ".pdf",
-			expectError: true,
-		},
-		{
-			scenario: "find PDF files",
-			dir: func() string {
-				path := fmt.Sprintf("%s/a_directory", os.TempDir())
-
-				err := os.MkdirAll(path, 0o755)
-				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
-				}
-
-				err = os.WriteFile(fmt.Sprintf("%s/a_foo_file.pdf", path), []byte{1}, 0o755)
-				if err != nil {
-					t.Fatalf("expected no error but got: %v", err)
-				}
-
-				err = os.WriteFile(fmt.Sprintf("%s/a_bar_file.PDF", path), []byte{1}, 0o755)
-				if err != nil {
-					t.Fatalf("expected no error but got: %v", err)
-				}
-
-				err = os.WriteFile(fmt.Sprintf("%s/a_baz_file.txt", path), []byte{1}, 0o755)
-				if err != nil {
-					t.Fatalf("expected no error but got: %v", err)
-				}
-
-				return path
-			}(),
-			ext:         ".pdf",
-			expectError: false,
-			expectFiles: []string{"/tmp/a_directory/a_bar_file.PDF", "/tmp/a_directory/a_foo_file.pdf"},
-		},
-	} {
-		t.Run(tc.scenario, func(t *testing.T) {
-			defer func() {
-				err := os.RemoveAll(tc.dir)
-				if err != nil {
-					t.Fatalf("expected no error while cleaning up but got: %v", err)
-				}
-			}()
-
-			files, err := WalkDir(tc.dir, tc.ext)
-
-			if !tc.expectError && err != nil {
-				t.Fatalf("expected no error but got: %v", err)
-			}
-
-			if tc.expectError && err == nil {
-				t.Fatal("expected error but got none")
-			}
-
-			if tc.expectError && err != nil {
-				return
-			}
-
-			if !reflect.DeepEqual(files, tc.expectFiles) {
-				t.Errorf("expected files %+v, but got %+v", tc.expectFiles, files)
-			}
-		})
-	}
-}

pkg/gotenberg/gc_test.go

@@ -31,7 +31,7 @@ func TestGarbageCollect(t *testing.T) {
 
 				err := os.MkdirAll(path, 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/a_foo_file", path), []byte{1}, 0o755)

pkg/gotenberg/sort.go

@@ -7,7 +7,8 @@ import (
 )
 
 // AlphanumericSort implements sort.Interface and helps to sort strings
-// alphanumerically.
+// alphanumerically by either a numeric prefix or, if missing, a numeric
+// suffix.
 //
 // See: https://github.com/gotenberg/gotenberg/issues/805.
 type AlphanumericSort []string
@@ -21,20 +22,20 @@ func (s AlphanumericSort) Swap(i, j int) {
 }
 
 func (s AlphanumericSort) Less(i, j int) bool {
-	numI, restI := extractPrefix(s[i])
+	numI, restI := extractNumber(s[i])
-	numJ, restJ := extractPrefix(s[j])
+	numJ, restJ := extractNumber(s[j])
 
-	// Compares numerical prefixes if they exist.
+	// If both strings contain a number, compare them numerically.
 	if numI != -1 && numJ != -1 {
 		if numI != numJ {
 			return numI < numJ
 		}
-		// If numbers are equal, falls back to string comparison of the rest.
+		// If the numbers are equal, compare the "rest" strings.
 		return restI < restJ
 	}
 
-	// If one has a numerical prefix and the other doesn't, the one with the
+	// If one contains a number and the other doesn't, the one with the number
-	// number comes first.
+	// comes first.
 	if numI != -1 {
 		return true
 	}
@@ -42,28 +43,52 @@ func (s AlphanumericSort) Less(i, j int) bool {
 		return false
 	}
 
-	// If neither has a numerical prefix, compare as strings
+	// Neither has a number; fall back to lexicographical order.
 	return s[i] < s[j]
 }
 
-// extractPrefix attempts to extract a numerical prefix and the rest of the filename
+// extractNumber attempts to extract a numeric portion from the filename.
-func extractPrefix(filename string) (int, string) {
+// It first checks for a numeric prefix (digits at the beginning).
-	matches := numPrefixRegexp.FindStringSubmatch(filename)
+// If none is found, it next attempts to match a number immediately before the
-	if len(matches) > 2 {
+// extension (for filenames such as "sample1_1.pdf").
-		prefix, err := strconv.Atoi(matches[1])
+// If that fails, it then attempts a trailing numeric pattern.
-		if err == nil {
+// If no number is found, it returns -1 and the original string.
-			return prefix, matches[2]
+func extractNumber(str string) (int, string) {
+	// Check for a numeric prefix.
+	if matches := prefixRegexp.FindStringSubmatch(str); len(matches) > 2 {
+		if num, err := strconv.Atoi(matches[1]); err == nil {
+			return num, matches[2]
 		}
 	}
 
-	// Returns -1 if no numerical prefix is found, indicating to just compare
+	// Check for a number immediately before an extension.
-	// as strings.
+	if matches := extensionSuffixRegexp.FindStringSubmatch(str); len(matches) > 3 {
-	return -1, filename
+		if num, err := strconv.Atoi(matches[2]); err == nil {
+			// Remove the numeric block but keep the extension.
+			return num, matches[1] + matches[3]
+		}
+	}
+
+	// Check for a trailing number (with no extension following).
+	if matches := suffixRegexp.FindStringSubmatch(str); len(matches) > 2 {
+		if num, err := strconv.Atoi(matches[2]); err == nil {
+			return num, matches[1]
+		}
+	}
+
+	// No numeric portion found.
+	return -1, str
 }
 
-var numPrefixRegexp = regexp.MustCompile(`^(\d+)(.*)$`)
+// Regular expressions used by extractNumber.
+var (
+	// Matches a numeric prefix: one or more digits at the start.
+	prefixRegexp = regexp.MustCompile(`^(\d+)(.*)$`)
+	// Matches a numeric block immediately before a file extension.
+	extensionSuffixRegexp = regexp.MustCompile(`^(.*?)(\d+)(\.[^.]+)$`)
+	// Matches a trailing numeric sequence when there is no extension.
+	suffixRegexp = regexp.MustCompile(`^(.*?)(\d+)$`)
+)
 
 // Interface guard.
-var (
+var _ sort.Interface = (*AlphanumericSort)(nil)
-	_ sort.Interface = (*AlphanumericSort)(nil)
-)

pkg/gotenberg/sort_test.go

@@ -17,6 +17,16 @@ func TestAlphanumericSort(t *testing.T) {
 			values:       []string{"10qux.pdf", "2_baz.txt", "2_aza.txt", "1bar.pdf", "Afoo.txt", "Bbar.docx", "25zeta.txt", "3.pdf", "4_foo.pdf"},
 			expectedSort: []string{"1bar.pdf", "2_aza.txt", "2_baz.txt", "3.pdf", "4_foo.pdf", "10qux.pdf", "25zeta.txt", "Afoo.txt", "Bbar.docx"},
 		},
+		{
+			scenario:     "numeric suffixes with extensions",
+			values:       []string{"sample1_10.pdf", "sample1_11.pdf", "sample1_4.pdf", "sample1_3.pdf", "sample1_1.pdf", "sample1_2.pdf"},
+			expectedSort: []string{"sample1_1.pdf", "sample1_2.pdf", "sample1_3.pdf", "sample1_4.pdf", "sample1_10.pdf", "sample1_11.pdf"},
+		},
+		{
+			scenario:     "numeric suffixes",
+			values:       []string{"sample1_10", "sample1_11", "sample1_4", "sample1_3", "sample1_1", "sample1_2"},
+			expectedSort: []string{"sample1_1", "sample1_2", "sample1_3", "sample1_4", "sample1_10", "sample1_11"},
+		},
 		{
 			scenario:     "hrtime (PHP library)",
 			values:       []string{"245654773395259", "245654773395039", "245654773395149", "245654773394919", "245654773394369"},

pkg/modules/chromium/browser_test.go

@@ -329,7 +329,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<iframe src='file:///etc/passwd'></iframe>"), 0o755)
@@ -361,7 +361,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<iframe src='file:///etc/passwd'></iframe>"), 0o755)
@@ -393,7 +393,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<h1>Skip networkIdle event</h1>"), 0o755)
@@ -428,7 +428,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<h1>ErrInvalidHttpStatusCode</h1>"), 0o755)
@@ -461,7 +461,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/style.css", fs.WorkingDirPath()), []byte("body{font-family: Arial, Helvetica, sans-serif;}"), 0o755)
@@ -499,7 +499,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<script type=\"application/javascript\">throw new Error(\"Exception\")</script>"), 0o755)
@@ -532,7 +532,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				return fs
@@ -558,7 +558,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<html><head><link rel=\"stylesheet\" type=\"text/css\" href=\"http://localhost:100/style.css\"></head><body><h1>ErrResourceLoadingFailed</h1></body></html>"), 0o755)
@@ -592,7 +592,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<h1>Clear cache</h1>"), 0o755)
@@ -625,7 +625,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<h1>Clear cookies</h1>"), 0o755)
@@ -658,7 +658,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<script type=\"application/javascript\">throw new Error(\"Exception\")</script>"), 0o755)
@@ -692,7 +692,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<h1>Set cookies</h1>"), 0o755)
@@ -727,7 +727,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<h1>User-Agent override</h1>"), 0o755)
@@ -762,7 +762,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<h1>Extra HTTP headers</h1>"), 0o755)
@@ -816,7 +816,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<h1>ErrOmitBackgroundWithoutPrintBackground</h1>"), 0o755)
@@ -849,7 +849,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<h1>Hide default white background</h1>"), 0o755)
@@ -885,7 +885,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<h1>ErrInvalidEmulatedMediaType</h1>"), 0o755)
@@ -918,7 +918,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<style>@media print { #screen { display: none } }</style><p id=\"screen\">Screen media type</p>"), 0o755)
@@ -953,7 +953,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<script type=\"application/javascript\">await new Promise(r => setTimeout(r, 10000));</script>"), 0o755)
@@ -988,7 +988,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<script type=\"application/javascript\">await new Promise(r => setTimeout(r, 10000));</script>"), 0o755)
@@ -1023,7 +1023,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				html := `
@@ -1069,7 +1069,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<h1>ErrInvalidEvaluationExpression</h1>"), 0o755)
@@ -1104,7 +1104,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				html := `
@@ -1150,7 +1150,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<h1>Custom header and footer</h1>"), 0o755)
@@ -1185,7 +1185,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<h1>Custom header and footer</h1>"), 0o755)
@@ -1221,7 +1221,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<h1>ErrInvalidPrinterSettings</h1>"), 0o755)
@@ -1259,7 +1259,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<h1>ErrPageRangesSyntaxError</h1>"), 0o755)
@@ -1292,7 +1292,7 @@ func TestChromiumBrowser_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<h1>Default options</h1>"), 0o755)
@@ -1491,7 +1491,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<iframe src='file:///etc/passwd'></iframe>"), 0o755)
@@ -1523,7 +1523,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<iframe src='file:///etc/passwd'></iframe>"), 0o755)
@@ -1555,7 +1555,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<h1>Skip networkIdle event</h1>"), 0o755)
@@ -1590,7 +1590,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<h1>ErrInvalidHttpStatusCode</h1>"), 0o755)
@@ -1623,7 +1623,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/style.css", fs.WorkingDirPath()), []byte("body{font-family: Arial, Helvetica, sans-serif;}"), 0o755)
@@ -1661,7 +1661,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<script type=\"application/javascript\">throw new Error(\"Exception\")</script>"), 0o755)
@@ -1694,7 +1694,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				return fs
@@ -1720,7 +1720,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<html><head><link rel=\"stylesheet\" type=\"text/css\" href=\"http://localhost:100/style.css\"></head><body><h1>ErrResourceLoadingFailed</h1></body></html>"), 0o755)
@@ -1754,7 +1754,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<h1>Clear cache</h1>"), 0o755)
@@ -1787,7 +1787,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<h1>Clear cookies</h1>"), 0o755)
@@ -1820,7 +1820,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<script type=\"application/javascript\">throw new Error(\"Exception\")</script>"), 0o755)
@@ -1854,7 +1854,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<h1>Set cookies</h1>"), 0o755)
@@ -1889,7 +1889,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<h1>User-Agent override</h1>"), 0o755)
@@ -1924,7 +1924,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<h1>Extra HTTP headers</h1>"), 0o755)
@@ -1978,7 +1978,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<h1>ErrOmitBackgroundWithoutPrintBackground</h1>"), 0o755)
@@ -2013,7 +2013,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<h1>ErrInvalidEmulatedMediaType</h1>"), 0o755)
@@ -2046,7 +2046,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<style>@media print { #screen { display: none } }</style><p id=\"screen\">Screen media type</p>"), 0o755)
@@ -2081,7 +2081,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<script type=\"application/javascript\">await new Promise(r => setTimeout(r, 10000));</script>"), 0o755)
@@ -2116,7 +2116,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<script type=\"application/javascript\">await new Promise(r => setTimeout(r, 10000));</script>"), 0o755)
@@ -2151,7 +2151,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				html := `
@@ -2197,7 +2197,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<h1>ErrInvalidEvaluationExpression</h1>"), 0o755)
@@ -2232,7 +2232,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				html := `
@@ -2278,7 +2278,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<h1>Default options</h1>"), 0o755)
@@ -2321,7 +2321,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<h1>Default options</h1>"), 0o755)
@@ -2369,7 +2369,7 @@ func TestChromiumBrowser_screenshot(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", fs.WorkingDirPath()), []byte("<h1>Default options</h1>"), 0o755)

pkg/modules/chromium/routes_test.go

@@ -1052,7 +1052,7 @@ func TestConvertMarkdownRoute(t *testing.T) {
 
 				err := os.MkdirAll(dirPath, 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", dirPath), []byte("<div>{{ toHTML \"markdown.md\" }}</div>"), 0o755)
@@ -1080,7 +1080,7 @@ func TestConvertMarkdownRoute(t *testing.T) {
 
 				err := os.MkdirAll(dirPath, 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", dirPath), []byte("<div>{{ toHTML \"markdown.md\" }}</div>"), 0o755)
@@ -1107,7 +1107,7 @@ func TestConvertMarkdownRoute(t *testing.T) {
 
 				err := os.MkdirAll(dirPath, 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", dirPath), []byte("<div>{{ toHTML \"markdown.md\" }}</div>"), 0o755)
@@ -1142,7 +1142,7 @@ func TestConvertMarkdownRoute(t *testing.T) {
 
 				err := os.MkdirAll(dirPath, 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", dirPath), []byte("<div>{{ toHTML \"markdown.md\" }}</div>"), 0o755)
@@ -1259,7 +1259,7 @@ func TestScreenshotMarkdownRoute(t *testing.T) {
 
 				err := os.MkdirAll(dirPath, 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", dirPath), []byte("<div>{{ toHTML \"markdown.md\" }}</div>"), 0o755)
@@ -1287,7 +1287,7 @@ func TestScreenshotMarkdownRoute(t *testing.T) {
 
 				err := os.MkdirAll(dirPath, 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", dirPath), []byte("<div>{{ toHTML \"markdown.md\" }}</div>"), 0o755)
@@ -1314,7 +1314,7 @@ func TestScreenshotMarkdownRoute(t *testing.T) {
 
 				err := os.MkdirAll(dirPath, 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", dirPath), []byte("<div>{{ toHTML \"markdown.md\" }}</div>"), 0o755)
@@ -1349,7 +1349,7 @@ func TestScreenshotMarkdownRoute(t *testing.T) {
 
 				err := os.MkdirAll(dirPath, 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/index.html", dirPath), []byte("<div>{{ toHTML \"markdown.md\" }}</div>"), 0o755)

pkg/modules/libreoffice/api/api.go

@@ -62,6 +62,10 @@ type Options struct {
 	// PageRanges allows to select the pages to convert.
 	PageRanges string
 
+	// UpdateIndexes specifies whether to update the indexes before conversion
+	// or not, with the risk of disabling links in documents.
+	UpdateIndexes bool
+
 	// ExportFormFields specifies whether form fields are exported as widgets
 	// or only their fixed print representation is exported.
 	ExportFormFields bool
@@ -152,6 +156,7 @@ func DefaultOptions() Options {
 		Password:                        "",
 		Landscape:                       false,
 		PageRanges:                      "",
+		UpdateIndexes:                   true,
 		ExportFormFields:                true,
 		AllowDuplicateFieldNames:        false,
 		ExportBookmarks:                 true,

pkg/modules/libreoffice/api/libreoffice.go

@@ -279,6 +279,10 @@ func (p *libreOfficeProcess) pdf(ctx context.Context, logger *zap.Logger, inputP
 		args = append(args, "--export", fmt.Sprintf("PageRange=%s", options.PageRanges))
 	}
 
+	if !options.UpdateIndexes {
+		args = append(args, "--disable-update-indexes")
+	}
+
 	args = append(args, "--export", fmt.Sprintf("ExportFormFields=%t", options.ExportFormFields))
 	args = append(args, "--export", fmt.Sprintf("AllowDuplicateFieldNames=%t", options.AllowDuplicateFieldNames))
 	args = append(args, "--export", fmt.Sprintf("ExportBookmarks=%t", options.ExportBookmarks))

pkg/modules/libreoffice/api/libreoffice_test.go

@@ -265,7 +265,7 @@ func TestLibreOfficeProcess_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/document.txt", fs.WorkingDirPath()), []byte("Context done"), 0o755)
@@ -295,36 +295,36 @@ func TestLibreOfficeProcess_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				in, err := os.Open("/tests/test/testdata/libreoffice/protected.docx")
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				defer func() {
 					err := in.Close()
 					if err != nil {
-						t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+						t.Fatalf("expected no error but got: %v", err)
 					}
 				}()
 
 				out, err := os.Create(fmt.Sprintf("%s/protected.docx", fs.WorkingDirPath()))
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				defer func() {
 					err := out.Close()
 					if err != nil {
-						t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+						t.Fatalf("expected no error but got: %v", err)
 					}
 				}()
 
 				_, err = io.Copy(out, in)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				return fs
@@ -348,7 +348,7 @@ func TestLibreOfficeProcess_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/document.txt", fs.WorkingDirPath()), []byte("Context done"), 0o755)
@@ -376,7 +376,7 @@ func TestLibreOfficeProcess_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/document.txt", fs.WorkingDirPath()), []byte("Success"), 0o755)
@@ -404,7 +404,7 @@ func TestLibreOfficeProcess_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/document.txt", fs.WorkingDirPath()), []byte("Success"), 0o755)
@@ -456,7 +456,7 @@ func TestLibreOfficeProcess_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/document.txt", fs.WorkingDirPath()), []byte("Landscape"), 0o755)
@@ -485,7 +485,7 @@ func TestLibreOfficeProcess_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/document.txt", fs.WorkingDirPath()), []byte("Landscape"), 0o755)
@@ -514,7 +514,7 @@ func TestLibreOfficeProcess_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/document.txt", fs.WorkingDirPath()), []byte("Landscape"), 0o755)
@@ -543,7 +543,7 @@ func TestLibreOfficeProcess_pdf(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/document.txt", fs.WorkingDirPath()), []byte("Landscape"), 0o755)
@@ -629,7 +629,7 @@ func TestNonBasicLatinCharactersGuard(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/document.txt", fs.WorkingDirPath()), []byte("Basic latin characters"), 0o755)
@@ -650,7 +650,7 @@ func TestNonBasicLatinCharactersGuard(t *testing.T) {
 
 				err := os.MkdirAll(fs.WorkingDirPath(), 0o755)
 				if err != nil {
-					t.Fatalf(fmt.Sprintf("expected no error but got: %v", err))
+					t.Fatalf("expected no error but got: %v", err)
 				}
 
 				err = os.WriteFile(fmt.Sprintf("%s/éèßàùä.txt", fs.WorkingDirPath()), []byte("Non-basic latin characters"), 0o755)

pkg/modules/libreoffice/routes.go

@@ -39,6 +39,7 @@ func convertRoute(libreOffice libreofficeapi.Uno, engine gotenberg.PdfEngine) ap
 				password                        string
 				landscape                       bool
 				nativePageRanges                string
+				updateIndexes                   bool
 				exportFormFields                bool
 				allowDuplicateFieldNames        bool
 				exportBookmarks                 bool
@@ -68,6 +69,7 @@ func convertRoute(libreOffice libreofficeapi.Uno, engine gotenberg.PdfEngine) ap
 				String("password", &password, defaultOptions.Password).
 				Bool("landscape", &landscape, defaultOptions.Landscape).
 				String("nativePageRanges", &nativePageRanges, defaultOptions.PageRanges).
+				Bool("updateIndexes", &updateIndexes, defaultOptions.UpdateIndexes).
 				Bool("exportFormFields", &exportFormFields, defaultOptions.ExportFormFields).
 				Bool("allowDuplicateFieldNames", &allowDuplicateFieldNames, defaultOptions.AllowDuplicateFieldNames).
 				Bool("exportBookmarks", &exportBookmarks, defaultOptions.ExportBookmarks).
@@ -149,6 +151,7 @@ func convertRoute(libreOffice libreofficeapi.Uno, engine gotenberg.PdfEngine) ap
 					Password:                        password,
 					Landscape:                       landscape,
 					PageRanges:                      nativePageRanges,
+					UpdateIndexes:                   updateIndexes,
 					ExportFormFields:                exportFormFields,
 					AllowDuplicateFieldNames:        allowDuplicateFieldNames,
 					ExportBookmarks:                 exportBookmarks,

pkg/modules/logging/color.go

@@ -0,0 +1,49 @@
+package logging
+
+import (
+	"fmt"
+
+	"go.uber.org/zap/zapcore"
+)
+
+// Foreground colors.
+// Copy pasted from go.uber.org/zap/internal/color/color.go
+const (
+	black color = iota + 30
+	red
+	green
+	yellow
+	blue
+	magenta
+	cyan
+	white
+)
+
+type color uint8
+
+func (c color) Add(s string) string {
+	return fmt.Sprintf("\x1b[%dm%s\x1b[0m", uint8(c), s)
+}
+
+func levelToColor(l zapcore.Level) color {
+	switch l {
+	case zapcore.DebugLevel:
+		return cyan
+	case zapcore.InfoLevel:
+		return blue
+	case zapcore.WarnLevel:
+		return yellow
+	case zapcore.ErrorLevel:
+		return red
+	case zapcore.DPanicLevel:
+		return red
+	case zapcore.PanicLevel:
+		return red
+	case zapcore.FatalLevel:
+		return red
+	case zapcore.InvalidLevel:
+		return red
+	default:
+		return red
+	}
+}

pkg/modules/logging/gcp.go

@@ -0,0 +1,36 @@
+package logging
+
+import "go.uber.org/zap/zapcore"
+
+func gcpSeverity(l zapcore.Level) string {
+	switch l {
+	case zapcore.DebugLevel:
+		return "DEBUG"
+	case zapcore.InfoLevel:
+		return "INFO"
+	case zapcore.WarnLevel:
+		return "WARNING"
+	case zapcore.ErrorLevel:
+		return "ERROR"
+	case zapcore.DPanicLevel:
+		return "CRITICAL"
+	case zapcore.PanicLevel:
+		return "ALERT"
+	case zapcore.FatalLevel:
+		return "EMERGENCY"
+	case zapcore.InvalidLevel:
+		return "DEFAULT"
+	default:
+		return "DEFAULT"
+	}
+}
+
+func gcpSeverityEncoder(l zapcore.Level, enc zapcore.PrimitiveArrayEncoder) {
+	enc.AppendString(gcpSeverity(l))
+}
+
+func gcpSeverityColorEncoder(l zapcore.Level, enc zapcore.PrimitiveArrayEncoder) {
+	severity := gcpSeverity(l)
+	c := levelToColor(l)
+	enc.AppendString(c.Add(severity))
+}

pkg/modules/logging/logging.go

@@ -34,9 +34,10 @@ const (
 // Logging is a module which implements the [gotenberg.LoggerProvider]
 // interface.
 type Logging struct {
-	level        string
+	level             string
-	format       string
+	format            string
-	fieldsPrefix string
+	fieldsPrefix      string
+	enableGcpSeverity bool
 }
 
 // Descriptor returns a [Logging]'s module descriptor.
@@ -48,6 +49,7 @@ func (log *Logging) Descriptor() gotenberg.ModuleDescriptor {
 			fs.String("log-level", infoLoggingLevel, fmt.Sprintf("Choose the level of logging detail. Options include %s, %s, %s, or %s", errorLoggingLevel, warnLoggingLevel, infoLoggingLevel, debugLoggingLevel))
 			fs.String("log-format", autoLoggingFormat, fmt.Sprintf("Specify the format of logging. Options include %s, %s, or %s", autoLoggingFormat, jsonLoggingFormat, textLoggingFormat))
 			fs.String("log-fields-prefix", "", "Prepend a specified prefix to each field in the logs")
+			fs.Bool("log-enable-gcp-severity", false, "Enable Google Cloud Platform severity mapping")
 
 			return fs
 		}(),
@@ -62,6 +64,7 @@ func (log *Logging) Provision(ctx *gotenberg.Context) error {
 	log.level = flags.MustString("log-level")
 	log.format = flags.MustString("log-format")
 	log.fieldsPrefix = flags.MustString("log-fields-prefix")
+	log.enableGcpSeverity = flags.MustBool("log-enable-gcp-severity")
 
 	return nil
 }
@@ -101,7 +104,7 @@ func (log *Logging) Logger(mod gotenberg.Module) (*zap.Logger, error) {
 			return nil, fmt.Errorf("get log level: %w", err)
 		}
 
-		encoder, err := newLogEncoder(log.format)
+		encoder, err := newLogEncoder(log.format, log.enableGcpSeverity)
 		if err != nil {
 			return nil, fmt.Errorf("get log encoder: %w", err)
 		}
@@ -166,7 +169,7 @@ func newLogLevel(level string) (zapcore.Level, error) {
 	return lvl, nil
 }
 
-func newLogEncoder(format string) (zapcore.Encoder, error) {
+func newLogEncoder(format string, gcpSeverity bool) (zapcore.Encoder, error) {
 	isTerminal := term.IsTerminal(int(os.Stdout.Fd()))
 	encCfg := zap.NewProductionEncoderConfig()
 
@@ -177,15 +180,25 @@ func newLogEncoder(format string) (zapcore.Encoder, error) {
 			encoder.AppendString(ts.Local().Format("2006/01/02 15:04:05.000"))
 		}
 
-		if format == textLoggingFormat || format == autoLoggingFormat {
+		if format == autoLoggingFormat {
-			encCfg.EncodeLevel = zapcore.CapitalColorLevelEncoder
+			format = textLoggingFormat
 		}
-	}
 
-	if format == autoLoggingFormat && isTerminal {
+		if format == textLoggingFormat && gcpSeverity {
-		format = textLoggingFormat
+			encCfg.EncodeLevel = gcpSeverityColorEncoder
-	} else if format == autoLoggingFormat {
+		} else if format == textLoggingFormat {
-		format = jsonLoggingFormat
+			encCfg.EncodeLevel = zapcore.CapitalColorLevelEncoder
+		} else if gcpSeverity {
+			encCfg.EncodeLevel = gcpSeverityEncoder
+		}
+	} else {
+		if format == autoLoggingFormat {
+			format = jsonLoggingFormat
+		}
+
+		if gcpSeverity {
+			encCfg.EncodeLevel = gcpSeverityEncoder
+		}
 	}
 
 	switch format {

pkg/modules/logging/logging_test.go

@@ -1,347 +0,0 @@
-package logging
-
-import (
-	"fmt"
-	"reflect"
-	"testing"
-
-	"go.uber.org/zap"
-	"go.uber.org/zap/zapcore"
-	"go.uber.org/zap/zaptest/observer"
-
-	"github.com/gotenberg/gotenberg/v8/pkg/gotenberg"
-)
-
-func TestLogging_Descriptor(t *testing.T) {
-	descriptor := new(Logging).Descriptor()
-
-	actual := reflect.TypeOf(descriptor.New())
-	expect := reflect.TypeOf(new(Logging))
-
-	if actual != expect {
-		t.Errorf("expected '%s' but got '%s'", expect, actual)
-	}
-}
-
-func TestLogging_Provision(t *testing.T) {
-	for _, tc := range []struct {
-		scenario           string
-		level              string
-		format             string
-		fieldsPrefix       string
-		expectLevel        string
-		expectFormat       string
-		expectFieldsPrefix string
-	}{
-		{
-			scenario:           "default values",
-			expectLevel:        infoLoggingLevel,
-			expectFormat:       autoLoggingFormat,
-			expectFieldsPrefix: "",
-		},
-		{
-			scenario:           "explicit values",
-			level:              "debug",
-			format:             "json",
-			fieldsPrefix:       "gotenberg",
-			expectLevel:        debugLoggingLevel,
-			expectFormat:       jsonLoggingFormat,
-			expectFieldsPrefix: "gotenberg",
-		},
-		{
-			scenario:           "wrong values", // no validation at this point.
-			level:              "foo",
-			format:             "foo",
-			expectLevel:        "foo",
-			expectFormat:       "foo",
-			expectFieldsPrefix: "",
-		},
-	} {
-		t.Run(tc.scenario, func(t *testing.T) {
-			var flags []string
-
-			if tc.level != "" {
-				flags = append(flags, "--log-level", tc.level)
-			}
-
-			if tc.format != "" {
-				flags = append(flags, "--log-format", tc.format)
-			}
-
-			if tc.fieldsPrefix != "" {
-				flags = append(flags, "--log-fields-prefix", tc.fieldsPrefix)
-			}
-
-			logging := new(Logging)
-			fs := logging.Descriptor().FlagSet
-
-			err := fs.Parse(flags)
-			if err != nil {
-				t.Fatalf("expected no error while parsing flags but got: %v", err)
-			}
-
-			ctx := gotenberg.NewContext(gotenberg.ParsedFlags{FlagSet: fs}, nil)
-
-			err = logging.Provision(ctx)
-			if err != nil {
-				t.Fatalf("expected no error while provisioning but got: %v", err)
-			}
-
-			if logging.level != tc.expectLevel {
-				t.Errorf("expected logging level '%s' but got '%s'", tc.expectLevel, logging.level)
-			}
-
-			if logging.format != tc.expectFormat {
-				t.Errorf("expected logging format '%s' but got '%s'", tc.expectFormat, logging.format)
-			}
-
-			if logging.fieldsPrefix != tc.expectFieldsPrefix {
-				t.Errorf("expected logging fields prefix '%s' but got '%s'", tc.expectFieldsPrefix, logging.fieldsPrefix)
-			}
-		})
-	}
-}
-
-func TestLogging_Validate(t *testing.T) {
-	for _, tc := range []struct {
-		scenario    string
-		level       string
-		format      string
-		expectError bool
-	}{
-		{
-			scenario:    "invalid level",
-			level:       "foo",
-			expectError: true,
-		},
-		{
-			scenario:    "invalid format",
-			level:       debugLoggingLevel,
-			format:      "foo",
-			expectError: true,
-		},
-		{
-			scenario: "valid level and format",
-			level:    debugLoggingLevel,
-			format:   autoLoggingFormat,
-		},
-	} {
-		logging := new(Logging)
-		logging.level = tc.level
-		logging.format = tc.format
-
-		err := logging.Validate()
-
-		if tc.expectError && err == nil {
-			t.Errorf("%s: expected error but got: %v", tc.scenario, err)
-		}
-
-		if !tc.expectError && err != nil {
-			t.Errorf("%s: expected no error but got: %v", tc.scenario, err)
-		}
-	}
-}
-
-func TestLogging_Logger(t *testing.T) {
-	for _, tc := range []struct {
-		scenario     string
-		level        string
-		format       string
-		fieldsPrefix string
-		expectError  bool
-	}{
-		{
-			scenario:    "invalid level",
-			level:       "foo",
-			expectError: true,
-		},
-		{
-			scenario:    "invalid format",
-			level:       debugLoggingLevel,
-			format:      "foo",
-			expectError: true,
-		},
-		{
-			scenario: "valid level and format",
-			level:    debugLoggingLevel,
-			format:   autoLoggingFormat,
-		},
-	} {
-		t.Run(tc.scenario, func(t *testing.T) {
-			logging := new(Logging)
-			logging.level = tc.level
-			logging.format = tc.format
-			logging.fieldsPrefix = tc.fieldsPrefix
-
-			_, err := logging.Logger(&gotenberg.ModuleMock{
-				DescriptorMock: func() gotenberg.ModuleDescriptor {
-					return gotenberg.ModuleDescriptor{ID: "mock", New: nil}
-				},
-			})
-
-			if tc.expectError && err == nil {
-				t.Fatal("expected error but got none")
-			}
-
-			if !tc.expectError && err != nil {
-				t.Fatalf("expected no error but got: %v", err)
-			}
-		})
-	}
-}
-
-func TestCustomCore(t *testing.T) {
-	for _, tc := range []struct {
-		scenario     string
-		level        zapcore.Level
-		fieldsPrefix string
-		expectEntry  bool
-	}{
-		{
-			scenario:     "level enabled",
-			level:        zapcore.DebugLevel,
-			fieldsPrefix: "gotenberg",
-			expectEntry:  true,
-		},
-		{
-			scenario:    "no fields prefix",
-			level:       zapcore.DebugLevel,
-			expectEntry: true,
-		},
-		{
-			scenario: "level disabled",
-			level:    zapcore.ErrorLevel,
-		},
-	} {
-		t.Run(tc.scenario, func(t *testing.T) {
-			core, obsvr := observer.New(tc.level)
-			lgr := zap.New(customCore{
-				Core:         core,
-				fieldsPrefix: tc.fieldsPrefix,
-			}).With(zap.String("a_field", "a value"))
-
-			lgr.Debug("a debug message", zap.String("another_field", "another value"))
-
-			entries := obsvr.TakeAll()
-
-			if tc.expectEntry && len(entries) == 0 {
-				t.Fatal("expected an entry")
-			}
-
-			if !tc.expectEntry && len(entries) != 0 {
-				t.Fatal("expected no entry")
-			}
-
-			var prefix string
-			if tc.fieldsPrefix != "" {
-				prefix = tc.fieldsPrefix + "_"
-			}
-
-			for _, entry := range entries {
-				fields := entry.Context
-
-				if len(fields) != 2 {
-					t.Fatalf("expected 2 fields but got %d", len(fields))
-				}
-
-				if fields[0].Key != fmt.Sprintf("%sa_field", prefix) {
-					t.Errorf("expected 'gotenberg_a_field' but got '%s'", fields[0].Key)
-				}
-
-				if fields[1].Key != fmt.Sprintf("%sanother_field", prefix) {
-					t.Errorf("expected 'gotenberg_another_field' but got '%s'", fields[1].Key)
-				}
-			}
-		})
-	}
-}
-
-func Test_newLogLevel(t *testing.T) {
-	for _, tc := range []struct {
-		scenario       string
-		level          string
-		expectZapLevel zapcore.Level
-		expectError    bool
-	}{
-		{
-			scenario:       "error level",
-			level:          errorLoggingLevel,
-			expectZapLevel: zapcore.ErrorLevel,
-		},
-		{
-			scenario:       "warning level",
-			level:          warnLoggingLevel,
-			expectZapLevel: zapcore.WarnLevel,
-		},
-		{
-			scenario:       "info level",
-			level:          infoLoggingLevel,
-			expectZapLevel: zapcore.InfoLevel,
-		},
-		{
-			scenario:       "debug level",
-			level:          debugLoggingLevel,
-			expectZapLevel: zapcore.DebugLevel,
-		},
-		{
-			scenario:       "invalid level",
-			level:          "foo",
-			expectZapLevel: zapcore.InvalidLevel,
-			expectError:    true,
-		},
-	} {
-		t.Run(tc.scenario, func(t *testing.T) {
-			actual, err := newLogLevel(tc.level)
-
-			if tc.expectError && err == nil {
-				t.Fatal("expected error but got none")
-			}
-
-			if !tc.expectError && err != nil {
-				t.Fatalf("expected no error but got: %v", err)
-			}
-
-			if tc.expectZapLevel != actual {
-				t.Errorf("expected %d level but got %d", tc.expectZapLevel, actual)
-			}
-		})
-	}
-}
-
-func Test_newLogEncoder(t *testing.T) {
-	for _, tc := range []struct {
-		scenario    string
-		format      string
-		expectError bool
-	}{
-		{
-			scenario: "auto format",
-			format:   autoLoggingFormat,
-		},
-		{
-			scenario: "text format",
-			format:   textLoggingFormat,
-		},
-		{
-			scenario: "json format",
-			format:   jsonLoggingFormat,
-		},
-		{
-			scenario:    "invalid format",
-			format:      "foo",
-			expectError: true,
-		},
-	} {
-		t.Run(tc.scenario, func(t *testing.T) {
-			_, err := newLogEncoder(tc.format)
-
-			if tc.expectError && err == nil {
-				t.Fatal("expected error but got none")
-			}
-
-			if !tc.expectError && err != nil {
-				t.Errorf("expected no error but got: %v", err)
-			}
-		})
-	}
-}

pkg/modules/pdfcpu/pdfcpu.go

@@ -7,6 +7,7 @@ import (
 	"os"
 	"os/exec"
 	"path/filepath"
+	"sort"
 	"strings"
 	"syscall"
 
@@ -128,11 +129,25 @@ func (engine *PdfCpu) Split(ctx context.Context, logger *zap.Logger, mode gotenb
 		return nil, fmt.Errorf("split PDFs with pdfcpu: %w", err)
 	}
 
-	outputPaths, err := gotenberg.WalkDir(outputDirPath, ".pdf")
+	var outputPaths []string
+	err = filepath.Walk(outputDirPath, func(path string, info os.FileInfo, pathErr error) error {
+		if pathErr != nil {
+			return pathErr
+		}
+		if info.IsDir() {
+			return nil
+		}
+		if strings.EqualFold(filepath.Ext(info.Name()), ".pdf") {
+			outputPaths = append(outputPaths, path)
+		}
+		return nil
+	})
 	if err != nil {
 		return nil, fmt.Errorf("walk directory to find resulting PDFs from split with pdfcpu: %w", err)
 	}
 
+	sort.Sort(gotenberg.AlphanumericSort(outputPaths))
+
 	return outputPaths, nil
 }
 

pkg/modules/pdfcpu/pdfcpu_test.go

@@ -230,15 +230,15 @@ func TestPdfCpu_Split(t *testing.T) {
 			scenario:               "success (intervals)",
 			ctx:                    context.TODO(),
 			mode:                   gotenberg.SplitMode{Mode: gotenberg.SplitModeIntervals, Span: "1"},
-			inputPath:              "/tests/test/testdata/pdfengines/sample1.pdf",
+			inputPath:              "/tests/test/testdata/pdfengines/sample4.pdf",
 			expectError:            false,
-			expectOutputPathsCount: 3,
+			expectOutputPathsCount: 20,
 		},
 		{
 			scenario:               "success (pages)",
 			ctx:                    context.TODO(),
 			mode:                   gotenberg.SplitMode{Mode: gotenberg.SplitModePages, Span: "1"},
-			inputPath:              "/tests/test/testdata/pdfengines/sample1.pdf",
+			inputPath:              "/tests/test/testdata/pdfengines/sample4.pdf",
 			expectError:            false,
 			expectOutputPathsCount: 1,
 		},
@@ -246,7 +246,7 @@ func TestPdfCpu_Split(t *testing.T) {
 			scenario:               "success (pages & unify)",
 			ctx:                    context.TODO(),
 			mode:                   gotenberg.SplitMode{Mode: gotenberg.SplitModePages, Span: "1-2", Unify: true},
-			inputPath:              "/tests/test/testdata/pdfengines/sample1.pdf",
+			inputPath:              "/tests/test/testdata/pdfengines/sample4.pdf",
 			expectError:            false,
 			expectOutputPathsCount: 1,
 		},

pkg/modules/pdfengines/multi.go

@@ -74,16 +74,14 @@ func (multi *multiPdfEngines) Split(ctx context.Context, logger *zap.Logger, mod
 	var err error
 	var mu sync.Mutex // to safely append errors.
 
-	resultChan := make(chan splitResult, len(multi.splitEngines))
-
 	for _, engine := range multi.splitEngines {
+		resultChan := make(chan splitResult, 1)
+
 		go func(engine gotenberg.PdfEngine) {
 			outputPaths, err := engine.Split(ctx, logger, mode, inputPath, outputDirPath)
 			resultChan <- splitResult{outputPaths: outputPaths, err: err}
 		}(engine)
-	}
 
-	for range multi.splitEngines {
 		select {
 		case result := <-resultChan:
 			if result.err != nil {
@@ -160,16 +158,14 @@ func (multi *multiPdfEngines) ReadMetadata(ctx context.Context, logger *zap.Logg
 	var err error
 	var mu sync.Mutex // to safely append errors.
 
-	resultChan := make(chan readMetadataResult, len(multi.readMetadataEngines))
-
 	for _, engine := range multi.readMetadataEngines {
+		resultChan := make(chan readMetadataResult, 1)
+
 		go func(engine gotenberg.PdfEngine) {
 			metadata, err := engine.ReadMetadata(ctx, logger, inputPath)
 			resultChan <- readMetadataResult{metadata: metadata, err: err}
 		}(engine)
-	}
 
-	for range multi.readMetadataEngines {
 		select {
 		case result := <-resultChan:
 			if result.err != nil {

pkg/modules/qpdf/qpdf.go

@@ -22,7 +22,8 @@ func init() {
 // QPdf abstracts the CLI tool QPDF and implements the [gotenberg.PdfEngine]
 // interface.
 type QPdf struct {
-	binPath string
+	binPath    string
+	globalArgs []string
 }
 
 // Descriptor returns a [QPdf]'s module descriptor.
@@ -41,6 +42,8 @@ func (engine *QPdf) Provision(ctx *gotenberg.Context) error {
 	}
 
 	engine.binPath = binPath
+	// Warnings should not cause errors.
+	engine.globalArgs = []string{"--warning-exit-0"}
 
 	return nil
 }
@@ -88,7 +91,10 @@ func (engine *QPdf) Split(ctx context.Context, logger *zap.Logger, mode gotenber
 		if !mode.Unify {
 			return nil, fmt.Errorf("split PDFs using mode '%s' without unify with QPDF: %w", mode.Mode, gotenberg.ErrPdfSplitModeNotSupported)
 		}
-		args = append(args, inputPath, "--pages", ".", mode.Span, "--", outputPath)
+		args = append(args, inputPath)
+		args = append(args, engine.globalArgs...)
+		args = append(args, "--pages", ".", mode.Span)
+		args = append(args, "--", outputPath)
 	default:
 		return nil, fmt.Errorf("split PDFs using mode '%s' with QPDF: %w", mode.Mode, gotenberg.ErrPdfSplitModeNotSupported)
 	}
@@ -110,6 +116,7 @@ func (engine *QPdf) Split(ctx context.Context, logger *zap.Logger, mode gotenber
 func (engine *QPdf) Merge(ctx context.Context, logger *zap.Logger, inputPaths []string, outputPath string) error {
 	var args []string
 	args = append(args, "--empty")
+	args = append(args, engine.globalArgs...)
 	args = append(args, "--pages")
 	args = append(args, inputPaths...)
 	args = append(args, "--", outputPath)
@@ -131,10 +138,11 @@ func (engine *QPdf) Merge(ctx context.Context, logger *zap.Logger, inputPaths []
 // original annotations.
 func (engine *QPdf) Flatten(ctx context.Context, logger *zap.Logger, inputPath string) error {
 	var args []string
+	args = append(args, inputPath)
 	args = append(args, "--generate-appearances")
 	args = append(args, "--flatten-annotations=all")
 	args = append(args, "--replace-input")
-	args = append(args, inputPath)
+	args = append(args, engine.globalArgs...)
 
 	cmd, err := gotenberg.CommandContext(ctx, logger, engine.binPath, args...)
 	if err != nil {

pkg/modules/qpdf/qpdf_test.go

@@ -154,6 +154,15 @@ func TestQPdf_Merge(t *testing.T) {
 			},
 			expectError: false,
 		},
+		{
+			scenario: "success even with warnings",
+			ctx:      context.TODO(),
+			inputPaths: []string{
+				"/tests/test/testdata/pdfengines/sample1.pdf",
+				"/tests/test/testdata/pdfengines/sample5.pdf",
+			},
+			expectError: false,
+		},
 	} {
 		t.Run(tc.scenario, func(t *testing.T) {
 			engine := new(QPdf)
@@ -236,6 +245,14 @@ func TestQPdf_Split(t *testing.T) {
 			expectError:            false,
 			expectOutputPathsCount: 1,
 		},
+		{
+			scenario:               "success even with warnings",
+			ctx:                    context.TODO(),
+			mode:                   gotenberg.SplitMode{Mode: gotenberg.SplitModePages, Span: "1-2", Unify: true},
+			inputPath:              "/tests/test/testdata/pdfengines/sample5.pdf",
+			expectError:            false,
+			expectOutputPathsCount: 1,
+		},
 	} {
 		t.Run(tc.scenario, func(t *testing.T) {
 			engine := new(QPdf)
@@ -304,6 +321,13 @@ func TestQPdf_Flatten(t *testing.T) {
 			createCopy:  true,
 			expectError: false,
 		},
+		{
+			scenario:    "success even with warnings",
+			ctx:         context.TODO(),
+			inputPath:   "/tests/test/testdata/pdfengines/sample5.pdf",
+			createCopy:  true,
+			expectError: false,
+		},
 	} {
 		t.Run(tc.scenario, func(t *testing.T) {
 			engine := new(QPdf)