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Remove the parallelizing when loading repo for dashboard #24705

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merged 5 commits into from
May 14, 2023
Merged

Remove the parallelizing when loading repo for dashboard #24705

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fc539ef
fix
wxiaoguang May 14, 2023
4c6a407
Merge branch 'main' into fix-dash-repo-go
GiteaBot May 14, 2023
b7aac1d
Update routers/web/repo/repo.go
wxiaoguang May 14, 2023
0340506
Merge branch 'main' into fix-dash-repo-go
GiteaBot May 14, 2023
95fb06a
Update routers/web/repo/repo.go
wxiaoguang May 14, 2023
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20 changes: 7 additions & 13 deletions routers/web/repo/repo.go
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,6 @@ import (
"fmt"
"net/http"
"strings"
"sync"

"code.gitea.io/gitea/models"
"code.gitea.io/gitea/models/db"
Expand Down Expand Up @@ -579,20 +578,15 @@ func SearchRepo(ctx *context.Context) {
}

// collect the latest commit of each repo
repoIDsToLatestCommitSHAs := make(map[int64]string)
wg := sync.WaitGroup{}
wg.Add(len(repos))
// at most there are dozens of repos (limited by MaxResponseItems), so it's not a big problem at the moment
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(which is limited by RepoPagingNum)

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Are you sure?

The PageSize comes from PageSize: convert.ToCorrectPageSize(ctx.FormInt("limit")),, and ToCorrectPageSize says:

else if size > setting.API.MaxResponseItems {
		size = setting.API.MaxResponseItems
	}

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I see, limit is RepoPagingNum but this condition overrides it

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Luckily it's checked, that's what I have double-checked.

Otherwise, attackers could to "limit=99999" to DoS the server.

repoIDsToLatestCommitSHAs := make(map[int64]string, len(repos))
for _, repo := range repos {
go func(repo *repo_model.Repository) {
defer wg.Done()
commitID, err := repo_service.GetBranchCommitID(ctx, repo, repo.DefaultBranch)
if err != nil {
return
}
repoIDsToLatestCommitSHAs[repo.ID] = commitID
}(repo)
commitID, err := repo_service.GetBranchCommitID(ctx, repo, repo.DefaultBranch)
if err != nil {
continue
}
repoIDsToLatestCommitSHAs[repo.ID] = commitID
}
wg.Wait()

// call the database O(1) times to get the commit statuses for all repos
repoToItsLatestCommitStatuses, err := git_model.GetLatestCommitStatusForPairs(ctx, repoIDsToLatestCommitSHAs, db.ListOptions{})
Expand Down