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Add support for sha256 repositories (#23894)

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Currently only SHA1 repositories are supported by Gitea. This adds
support for alternate SHA256 with the additional aim of easier support
for additional hash types in the future.

Fixes: #13794
Limited by: https://github.com/go-git/go-git/issues/899
Depend on: #28138

<img width="776" alt="图片" src="https://github.com/go-gitea/gitea/assets/81045/5448c9a7-608e-4341-a149-5dd0069c9447">

---------

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: 6543 <6543@obermui.de>
This commit is contained in:
Adam Majer
2024-01-19 16:05:02 +00:00
committed by GitHub
parent 07ba4d9f87
commit d68a613ba8
98 changed files with 834 additions and 76 deletions
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36
modules/markup/html.go
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@@ -45,19 +45,19 @@ var (
// valid chars in encoded path and parameter: [-+~_%.a-zA-Z0-9/]
// sha1CurrentPattern matches string that represents a commit SHA, e.g. d8a994ef243349f321568f9e36d5c3f444b99cae
// Although SHA1 hashes are 40 chars long, the regex matches the hash from 7 to 40 chars in length
// hashCurrentPattern matches string that represents a commit SHA, e.g. d8a994ef243349f321568f9e36d5c3f444b99cae
// Although SHA1 hashes are 40 chars long, SHA256 are 64, the regex matches the hash from 7 to 64 chars in length
// so that abbreviated hash links can be used as well. This matches git and GitHub usability.
sha1CurrentPattern = regexp.MustCompile(`(?:\s|^|\(|\[)([0-9a-f]{7,40})(?:\s|$|\)|\]|[.,](\s|$))`)
hashCurrentPattern = regexp.MustCompile(`(?:\s|^|\(|\[)([0-9a-f]{7,64})(?:\s|$|\)|\]|[.,](\s|$))`)
// shortLinkPattern matches short but difficult to parse [[name|link|arg=test]] syntax
shortLinkPattern = regexp.MustCompile(`\[\[(.*?)\]\](\w*)`)
// anySHA1Pattern splits url containing SHA into parts
anySHA1Pattern = regexp.MustCompile(`https?://(?:\S+/){4,5}([0-9a-f]{40})(/[-+~_%.a-zA-Z0-9/]+)?(#[-+~_%.a-zA-Z0-9]+)?`)
anyHashPattern = regexp.MustCompile(`https?://(?:\S+/){4,5}([0-9a-f]{40,64})(/[-+~_%.a-zA-Z0-9/]+)?(#[-+~_%.a-zA-Z0-9]+)?`)
// comparePattern matches "http://domain/org/repo/compare/COMMIT1...COMMIT2#hash"
comparePattern = regexp.MustCompile(`https?://(?:\S+/){4,5}([0-9a-f]{7,40})(\.\.\.?)([0-9a-f]{7,40})?(#[-+~_%.a-zA-Z0-9]+)?`)
comparePattern = regexp.MustCompile(`https?://(?:\S+/){4,5}([0-9a-f]{7,64})(\.\.\.?)([0-9a-f]{7,64})?(#[-+~_%.a-zA-Z0-9]+)?`)
validLinksPattern = regexp.MustCompile(`^[a-z][\w-]+://`)
@@ -171,13 +171,13 @@ type processor func(ctx *RenderContext, node *html.Node)
var defaultProcessors = []processor{
fullIssuePatternProcessor,
comparePatternProcessor,
fullSha1PatternProcessor,
fullHashPatternProcessor,
shortLinkProcessor,
linkProcessor,
mentionProcessor,
issueIndexPatternProcessor,
commitCrossReferencePatternProcessor,
sha1CurrentPatternProcessor,
hashCurrentPatternProcessor,
emailAddressProcessor,
emojiProcessor,
emojiShortCodeProcessor,
@@ -199,12 +199,12 @@ func PostProcess(
var commitMessageProcessors = []processor{
fullIssuePatternProcessor,
comparePatternProcessor,
fullSha1PatternProcessor,
fullHashPatternProcessor,
linkProcessor,
mentionProcessor,
issueIndexPatternProcessor,
commitCrossReferencePatternProcessor,
sha1CurrentPatternProcessor,
hashCurrentPatternProcessor,
emailAddressProcessor,
emojiProcessor,
emojiShortCodeProcessor,
@@ -231,12 +231,12 @@ func RenderCommitMessage(
var commitMessageSubjectProcessors = []processor{
fullIssuePatternProcessor,
comparePatternProcessor,
fullSha1PatternProcessor,
fullHashPatternProcessor,
linkProcessor,
mentionProcessor,
issueIndexPatternProcessor,
commitCrossReferencePatternProcessor,
sha1CurrentPatternProcessor,
hashCurrentPatternProcessor,
emojiShortCodeProcessor,
emojiProcessor,
}
@@ -273,7 +273,7 @@ func RenderIssueTitle(
return renderProcessString(ctx, []processor{
issueIndexPatternProcessor,
commitCrossReferencePatternProcessor,
sha1CurrentPatternProcessor,
hashCurrentPatternProcessor,
emojiShortCodeProcessor,
emojiProcessor,
}, title)
@@ -946,15 +946,15 @@ func commitCrossReferencePatternProcessor(ctx *RenderContext, node *html.Node) {
}
}
// fullSha1PatternProcessor renders SHA containing URLs
func fullSha1PatternProcessor(ctx *RenderContext, node *html.Node) {
// fullHashPatternProcessor renders SHA containing URLs
func fullHashPatternProcessor(ctx *RenderContext, node *html.Node) {
if ctx.Metas == nil {
return
}
next := node.NextSibling
for node != nil && node != next {
m := anySHA1Pattern.FindStringSubmatchIndex(node.Data)
m := anyHashPattern.FindStringSubmatchIndex(node.Data)
if m == nil {
return
}
@@ -1111,9 +1111,9 @@ func emojiProcessor(ctx *RenderContext, node *html.Node) {
}
}
// sha1CurrentPatternProcessor renders SHA1 strings to corresponding links that
// hashCurrentPatternProcessor renders SHA1 strings to corresponding links that
// are assumed to be in the same repository.
func sha1CurrentPatternProcessor(ctx *RenderContext, node *html.Node) {
func hashCurrentPatternProcessor(ctx *RenderContext, node *html.Node) {
if ctx.Metas == nil || ctx.Metas["user"] == "" || ctx.Metas["repo"] == "" || ctx.Metas["repoPath"] == "" {
return
}
@@ -1124,7 +1124,7 @@ func sha1CurrentPatternProcessor(ctx *RenderContext, node *html.Node) {
ctx.ShaExistCache = make(map[string]bool)
}
for node != nil && node != next && start < len(node.Data) {
m := sha1CurrentPattern.FindStringSubmatchIndex(node.Data[start:])
m := hashCurrentPattern.FindStringSubmatchIndex(node.Data[start:])
if m == nil {
return
}