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	Add more checks in migration code (#21011)
When migrating add several more important sanity checks: * SHAs must be SHAs * Refs must be valid Refs * URLs must be reasonable Signed-off-by: Andrew Thornton <art27@cantab.net> Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: techknowlogick <matti@mdranta.net>
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		@@ -17,7 +17,6 @@ import (
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	"code.gitea.io/gitea/modules/git"
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	"code.gitea.io/gitea/modules/setting"
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	api "code.gitea.io/gitea/modules/structs"
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	"code.gitea.io/gitea/modules/validation"
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	"code.gitea.io/gitea/routers/api/v1/utils"
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)
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@@ -53,7 +52,7 @@ func GetSingleCommit(ctx *context.APIContext) {
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	//     "$ref": "#/responses/notFound"
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	sha := ctx.Params(":sha")
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	if (validation.GitRefNamePatternInvalid.MatchString(sha) || !validation.CheckGitRefAdditionalRulesValid(sha)) && !git.SHAPattern.MatchString(sha) {
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	if !git.IsValidRefPattern(sha) {
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		ctx.Error(http.StatusUnprocessableEntity, "no valid ref or sha", fmt.Sprintf("no valid ref or sha: %s", sha))
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		return
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	}
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