128 lines
3.3 KiB
Go
128 lines
3.3 KiB
Go
package handler
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import (
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"log"
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"net/http"
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"strings"
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"github.com/drone/drone/plugin/remote"
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"github.com/drone/drone/server/datastore"
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"github.com/drone/drone/server/worker"
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"github.com/drone/drone/shared/build/script"
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"github.com/drone/drone/shared/httputil"
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"github.com/drone/drone/shared/model"
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"github.com/goji/context"
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"github.com/zenazn/goji/web"
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)
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// PostHook accepts a post-commit hook and parses the payload
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// in order to trigger a build. The payload is specified to the
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// remote system (ie GitHub) and will therefore get parsed by
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// the appropriate remote plugin.
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//
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// GET /api/hook/:host
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//
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func PostHook(c web.C, w http.ResponseWriter, r *http.Request) {
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var ctx = context.FromC(c)
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var host = c.URLParams["host"]
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var token = c.URLParams["token"]
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var remote = remote.Lookup(host)
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if remote == nil {
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w.WriteHeader(http.StatusNotFound)
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return
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}
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// parse the hook payload
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hook, err := remote.ParseHook(r)
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if err != nil {
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w.WriteHeader(http.StatusBadRequest)
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return
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}
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// in some cases we have neither a hook nor error. An example
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// would be GitHub sending a ping request to the URL, in which
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// case we'll just exit quiely with an 'OK'
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if hook == nil || strings.Contains(hook.Message, "[CI SKIP]") {
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w.WriteHeader(http.StatusOK)
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return
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}
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// fetch the repository from the database
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repo, err := datastore.GetRepoName(ctx, remote.GetHost(), hook.Owner, hook.Repo)
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if err != nil {
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w.WriteHeader(http.StatusNotFound)
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return
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}
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// each hook contains a token to verify the sender. If the token
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// is not provided or does not match, exit
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if len(repo.Token) == 0 || repo.Token != token {
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log.Printf("Rejected post commit hook for %s. Token mismatch\n", repo.Name)
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w.WriteHeader(http.StatusUnauthorized)
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return
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}
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if repo.Active == false ||
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(repo.PostCommit == false && len(hook.PullRequest) == 0) ||
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(repo.PullRequest == false && len(hook.PullRequest) != 0) {
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w.WriteHeader(http.StatusNotFound)
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return
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}
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// fetch the user from the database that owns this repo
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user, err := datastore.GetUser(ctx, repo.UserID)
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if err != nil {
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w.WriteHeader(http.StatusNotFound)
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return
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}
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// featch the .drone.yml file from the database
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yml, err := remote.GetScript(user, repo, hook)
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if err != nil {
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w.WriteHeader(http.StatusBadRequest)
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return
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}
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// verify the commit hooks branch matches the list of approved
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// branches (unless it is a pull request). Note that we don't really
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// care if parsing the yaml fails here.
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s, _ := script.ParseBuild(string(yml))
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if len(hook.PullRequest) == 0 && !s.MatchBranch(hook.Branch) {
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w.WriteHeader(http.StatusOK)
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return
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}
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commit := model.Commit{
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RepoID: repo.ID,
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Status: model.StatusEnqueue,
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Sha: hook.Sha,
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Branch: hook.Branch,
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PullRequest: hook.PullRequest,
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Timestamp: hook.Timestamp,
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Message: hook.Message,
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Config: string(yml),
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}
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commit.SetAuthor(hook.Author)
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// inserts the commit into the database
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if err := datastore.PostCommit(ctx, &commit); err != nil {
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w.WriteHeader(http.StatusBadRequest)
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return
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}
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owner, err := datastore.GetUser(ctx, repo.UserID)
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if err != nil {
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w.WriteHeader(http.StatusBadRequest)
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return
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}
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// drop the items on the queue
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go worker.Do(ctx, &worker.Work{
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User: owner,
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Repo: repo,
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Commit: &commit,
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Host: httputil.GetURL(r),
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})
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w.WriteHeader(http.StatusOK)
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}
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