adalal/gotenberg
1
0
Fork 0
mirror of https://github.com/gotenberg/gotenberg.git synced 2026-08-15 11:52:14 +01:00
Code Issues Packages Projects Releases Wiki Activity

feat(libreoffice): SSRF guard for embedded external content

Browse Source
This commit is contained in:
Julien Neuhart
2026-04-28 18:02:13 +02:00
parent 64c28dd45e
commit 4998870723
7 changed files with 753 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
pkg/modules/libreoffice/api/api.go
View File

@@ -327,6 +327,10 @@ func (a *Api) Descriptor() gotenberg.ModuleDescriptor {
fs.Duration("libreoffice-idle-shutdown-timeout", 0, "Shutdown LibreOffice after being idle for the given duration. Set to 0 to disable this feature")
fs.Bool("libreoffice-auto-start", false, "Automatically launch LibreOffice upon initialization if set to true; otherwise, LibreOffice will start at the time of the first conversion")
fs.Duration("libreoffice-start-timeout", time.Duration(20)*time.Second, "Maximum duration to wait for LibreOffice to start or restart")
fs.StringSlice("libreoffice-allow-list", []string{}, "Set the allowed URLs for LibreOffice outbound fetches (embedded images, linked content) using regular expressions - supports multiple values")
fs.StringSlice("libreoffice-deny-list", []string{}, "Set the denied URLs for LibreOffice outbound fetches using regular expressions - supports multiple values")
fs.Bool("libreoffice-deny-private-ips", false, "Reject LibreOffice outbound URLs whose host resolves to a non-public IP address (loopback, RFC1918, link-local, unique-local). Enable on deployments that accept untrusted documents to mitigate SSRF against internal services")
fs.Bool("libreoffice-deny-public-ips", false, "Reject LibreOffice outbound URLs whose host resolves to a public IP address. Enable on air-gapped or data-governed deployments to prevent outbound traffic from leaving a private network")
return fs
}(),
@@ -353,6 +357,12 @@ func (a *Api) Provision(ctx *gotenberg.Context) error {
binPath: libreOfficeBinPath,
unoBinPath: unoBinPath,
startTimeout: flags.MustDuration("libreoffice-start-timeout"),
proxyOptions: outboundProxyOptions{
allowList: flags.MustRegexpSlice("libreoffice-allow-list"),
denyList: flags.MustRegexpSlice("libreoffice-deny-list"),
denyPrivateIPs: flags.MustBool("libreoffice-deny-private-ips"),
denyPublicIPs: flags.MustBool("libreoffice-deny-public-ips"),
},
}
// Logger.