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zeekayandHanzo Dev
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Source files keep their SPDX-License-Identifier and Hanzo copyright line; the Gitea, Gogs and LFS Test Server copyrights they used to repeat now live once in NOTICE, alongside LICENSE. The header lint accepts any copyright line above the SPDX line, so it no longer demands an upstream one. Co-authored-by: Hanzo Dev <[email protected]>
51 lines
1.4 KiB
Go
51 lines
1.4 KiB
Go
// Copyright 2026 Hanzo AI, Inc. All rights reserved.
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// SPDX-License-Identifier: MIT
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package markup
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import (
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"regexp"
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"sync"
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"github.com/microcosm-cc/bluemonday"
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)
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// Sanitizer is a protection wrapper of *bluemonday.Policy which does not allow
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// any modification to the underlying policies once it's been created.
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type Sanitizer struct {
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defaultPolicy *bluemonday.Policy
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descriptionPolicy *bluemonday.Policy
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rendererPolicies map[string]*bluemonday.Policy
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allowAllRegex *regexp.Regexp
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}
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var (
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defaultSanitizer *Sanitizer
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defaultSanitizerOnce sync.Once
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)
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func GetDefaultSanitizer() *Sanitizer {
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defaultSanitizerOnce.Do(func() {
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defaultSanitizer = &Sanitizer{
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rendererPolicies: map[string]*bluemonday.Policy{},
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allowAllRegex: regexp.MustCompile(".+"),
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}
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for name, renderer := range renderers {
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sanitizerRules := renderer.SanitizerRules()
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if len(sanitizerRules) > 0 {
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policy := defaultSanitizer.createDefaultPolicy()
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defaultSanitizer.addSanitizerRules(policy, sanitizerRules)
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defaultSanitizer.rendererPolicies[name] = policy
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}
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}
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defaultSanitizer.defaultPolicy = defaultSanitizer.createDefaultPolicy()
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defaultSanitizer.descriptionPolicy = defaultSanitizer.createRepoDescriptionPolicy()
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})
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return defaultSanitizer
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}
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func ResetDefaultSanitizerForTesting() {
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defaultSanitizer = nil
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defaultSanitizerOnce = sync.Once{}
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}
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