mirror of
https://github.com/hanzoai/forge.git
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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]>
87 lines
2.9 KiB
Go
87 lines
2.9 KiB
Go
// Copyright 2026 Hanzo AI, Inc. All rights reserved.
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// SPDX-License-Identifier: MIT
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package migrations
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import (
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"fmt"
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"strings"
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system_model "github.com/hanzoai/git/models/system"
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"github.com/hanzoai/git/modules/git"
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"github.com/hanzoai/git/modules/log"
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base "github.com/hanzoai/git/modules/migration"
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)
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// WarnAndNotice will log the provided message and send a repository notice
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func WarnAndNotice(fmtStr string, args ...any) {
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log.Warn(fmtStr, args...)
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if err := system_model.CreateRepositoryNotice(fmt.Sprintf(fmtStr, args...)); err != nil {
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log.Error("create repository notice failed: ", err)
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}
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}
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func hasBaseURL(toCheck, baseURL string) bool {
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if baseURL == "" {
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return false
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}
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if len(baseURL) > 0 && baseURL[len(baseURL)-1] != '/' {
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baseURL += "/"
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}
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return strings.HasPrefix(toCheck, baseURL)
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}
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// CheckAndEnsureSafePR will check that a given PR is safe to download
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func CheckAndEnsureSafePR(pr *base.PullRequest, commonCloneBaseURL string, g base.Downloader) bool {
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valid := true
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// SECURITY: the patchURL must be checked to have the same baseURL as the current to prevent open redirect
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if pr.PatchURL != "" && !hasBaseURL(pr.PatchURL, commonCloneBaseURL) {
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// TODO: Should we check that this url has the expected format for a patch url?
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WarnAndNotice("PR #%d in %s has invalid PatchURL: %s baseURL: %s", pr.Number, g, pr.PatchURL, commonCloneBaseURL)
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pr.PatchURL = ""
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valid = false
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}
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// SECURITY: the headCloneURL must be checked to have the same baseURL as the current to prevent open redirect
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if pr.Head.CloneURL != "" && !hasBaseURL(pr.Head.CloneURL, commonCloneBaseURL) {
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// TODO: Should we check that this url has the expected format for a patch url?
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WarnAndNotice("PR #%d in %s has invalid HeadCloneURL: %s baseURL: %s", pr.Number, g, pr.Head.CloneURL, commonCloneBaseURL)
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pr.Head.CloneURL = ""
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valid = false
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}
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// SECURITY: SHAs Must be a SHA
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// FIXME: hash only a SHA1
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CommitType := git.Sha1ObjectFormat
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if pr.MergeCommitSHA != "" && !CommitType.IsValid(pr.MergeCommitSHA) {
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WarnAndNotice("PR #%d in %s has invalid MergeCommitSHA: %s", pr.Number, g, pr.MergeCommitSHA)
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pr.MergeCommitSHA = ""
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}
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if pr.Head.SHA != "" && !CommitType.IsValid(pr.Head.SHA) {
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WarnAndNotice("PR #%d in %s has invalid HeadSHA: %s", pr.Number, g, pr.Head.SHA)
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pr.Head.SHA = ""
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valid = false
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}
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if pr.Base.SHA != "" && !CommitType.IsValid(pr.Base.SHA) {
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WarnAndNotice("PR #%d in %s has invalid BaseSHA: %s", pr.Number, g, pr.Base.SHA)
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pr.Base.SHA = ""
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valid = false
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}
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// SECURITY: Refs must be valid refs or SHAs
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if pr.Head.Ref != "" && !git.IsValidRefPattern(pr.Head.Ref) {
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WarnAndNotice("PR #%d in %s has invalid HeadRef: %s", pr.Number, g, pr.Head.Ref)
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pr.Head.Ref = ""
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valid = false
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}
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if pr.Base.Ref != "" && !git.IsValidRefPattern(pr.Base.Ref) {
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WarnAndNotice("PR #%d in %s has invalid BaseRef: %s", pr.Number, g, pr.Base.Ref)
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pr.Base.Ref = ""
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valid = false
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}
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pr.EnsuredSafe = true
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return valid
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}
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