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86 lines
3.0 KiB
Go
86 lines
3.0 KiB
Go
package webhook
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import (
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"regexp"
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"time"
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flag "github.com/spf13/pflag"
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"github.com/gotenberg/gotenberg/v7/pkg/gotenberg"
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"github.com/gotenberg/gotenberg/v7/pkg/modules/api"
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)
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func init() {
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gotenberg.MustRegisterModule(new(Webhook))
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}
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// Webhook is a module which provides a middleware for uploading output files
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// to any destinations in an asynchronous fashion.
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type Webhook struct {
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allowList *regexp.Regexp
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denyList *regexp.Regexp
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errorAllowList *regexp.Regexp
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errorDenyList *regexp.Regexp
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maxRetry int
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retryMinWait time.Duration
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retryMaxWait time.Duration
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clientTimeout time.Duration
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disable bool
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}
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// Descriptor returns an [Webhook]'s module descriptor.
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func (w *Webhook) Descriptor() gotenberg.ModuleDescriptor {
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return gotenberg.ModuleDescriptor{
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ID: "webhook",
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FlagSet: func() *flag.FlagSet {
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fs := flag.NewFlagSet("webhook", flag.ExitOnError)
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fs.String("webhook-allow-list", "", "Set the allowed URLs for the webhook feature using a regular expression")
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fs.String("webhook-deny-list", "", "Set the denied URLs for the webhook feature using a regular expression")
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fs.String("webhook-error-allow-list", "", "Set the allowed URLs in case of an error for the webhook feature using a regular expression")
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fs.String("webhook-error-deny-list", "", "Set the denied URLs in case of an error for the webhook feature using a regular expression")
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fs.Int("webhook-max-retry", 4, "Set the maximum number of retries for the webhook feature")
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fs.Duration("webhook-retry-min-wait", time.Duration(1)*time.Second, "Set the minimum duration to wait before trying to call the webhook again")
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fs.Duration("webhook-retry-max-wait", time.Duration(30)*time.Second, "Set the maximum duration to wait before trying to call the webhook again")
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fs.Duration("webhook-client-timeout", time.Duration(30)*time.Second, "Set the time limit for requests to the webhook")
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fs.Bool("webhook-disable", false, "Disable the webhook feature")
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return fs
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}(),
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New: func() gotenberg.Module { return new(Webhook) },
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}
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}
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// Provision sets the module properties.
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func (w *Webhook) Provision(ctx *gotenberg.Context) error {
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flags := ctx.ParsedFlags()
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w.allowList = flags.MustRegexp("webhook-allow-list")
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w.denyList = flags.MustRegexp("webhook-deny-list")
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w.errorAllowList = flags.MustRegexp("webhook-error-allow-list")
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w.errorDenyList = flags.MustRegexp("webhook-error-deny-list")
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w.maxRetry = flags.MustInt("webhook-max-retry")
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w.retryMinWait = flags.MustDuration("webhook-retry-min-wait")
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w.retryMaxWait = flags.MustDuration("webhook-retry-max-wait")
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w.clientTimeout = flags.MustDuration("webhook-client-timeout")
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w.disable = flags.MustBool("webhook-disable")
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return nil
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}
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// Middlewares returns the middleware.
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func (w *Webhook) Middlewares() ([]api.Middleware, error) {
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if w.disable {
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return nil, nil
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}
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return []api.Middleware{
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webhookMiddleware(w),
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}, nil
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}
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// Interface guards.
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var (
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_ gotenberg.Module = (*Webhook)(nil)
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_ gotenberg.Provisioner = (*Webhook)(nil)
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_ api.MiddlewareProvider = (*Webhook)(nil)
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)
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