397 lines
9.6 KiB
Go
397 lines
9.6 KiB
Go
package main
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import (
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"encoding/json"
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"flag"
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"fmt"
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"io"
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"log"
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"net/http"
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"os"
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"src.opensuse.org/autogits/common"
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)
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const (
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ListenAddrDef = "[::1]:8002"
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AppName = "rabbitmq-forwarder"
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DefTopicDomain = "opensuse"
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)
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var DebugMode bool
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var topicScope string
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func connectToRabbitMQ() {
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host := os.Getenv("RABBITMQ_HOST")
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username := os.Getenv("RABBITMQ_USERNAME")
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password := os.Getenv("RABBITMQ_PASSWORD")
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if len(host) == 0 || len(username) == 0 || len(password) == 0 {
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fmt.Println("Missing RABBITMQ_HOST, RABBITMQ_USERNAME, RABBITMQ_PASSWORD")
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os.Exit(1)
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}
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go ConnectToExchangeForPublish(host, username, password)
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}
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var id int
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func dumpUnhandledData(reqType string, data []byte) {
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id++
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if err := os.WriteFile(fmt.Sprintf("/tmp/unhandled-json-%s-%d.json", reqType, id), data, 0600); err != nil {
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log.Printf("Cannot dump json. err: %v\n", err)
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log.Println(string(data))
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}
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}
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func parseRequestJSONOrg(reqType string, data []byte) (org *common.Organization, extraAction string, err error) {
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extraAction = ""
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switch reqType {
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case common.RequestType_CreateBrachTag, common.RequestType_DeleteBranchTag:
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create := common.CreateWebhookEvent{}
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if err = json.Unmarshal(data, &create); err != nil {
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return
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}
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org = create.Repository.Owner
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case common.RequestType_Fork:
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fork := common.ForkWebhookEvent{}
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if err = json.Unmarshal(data, &fork); err != nil {
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return
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}
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org = fork.Forkee.Owner
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case common.RequestType_Push:
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push := common.PushWebhookEvent{}
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if err = json.Unmarshal(data, &push); err != nil {
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return
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}
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org = push.Repository.Owner
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case common.RequestType_Repository:
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repoAction := common.RepositoryWebhookEvent{}
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if err = json.Unmarshal(data, &repoAction); err != nil {
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return
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}
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switch repoAction.Action {
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case "created", "deleted":
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break
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default:
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err = fmt.Errorf("Unknown repository webhook action type: %s", repoAction.Action)
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return
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}
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org = repoAction.Organization
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extraAction = repoAction.Action
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case common.RequestType_Release:
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release := common.ReleaseWebhookEvent{}
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if err = json.Unmarshal(data, &release); err != nil {
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return
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}
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switch release.Action {
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case "published", "updated", "deleted":
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break
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default:
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err = fmt.Errorf("Unknwon Release webhook action type: %s", release.Action)
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return
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}
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org = release.Repository.Owner
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extraAction = release.Action
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case common.RequestType_Issue:
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issue := common.IssueWebhookEvent{}
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if err = json.Unmarshal(data, &issue); err != nil {
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return
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}
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switch issue.Action {
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case "opened", "closed", "reopened", "edited":
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break
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default:
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err = fmt.Errorf("Unknown Issue webhook action type: %s", issue.Action)
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return
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}
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org = issue.Repository.Owner
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extraAction = issue.Action
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case common.RequestType_IssueAssign:
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issue := common.IssueWebhookEvent{}
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if err = json.Unmarshal(data, &issue); err != nil {
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return
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}
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switch issue.Action {
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case "assigned", "unassigned":
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break
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default:
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err = fmt.Errorf("Unknown Issue Assign webhook action type: %s", issue.Action)
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return
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}
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org = issue.Repository.Owner
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extraAction = issue.Action
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case common.RequestType_IssueComment, common.RequestType_PRComment:
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issue := common.IssueCommentWebhookEvent{}
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if err = json.Unmarshal(data, &issue); err != nil {
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return
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}
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switch issue.Action {
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case "edited", "created", "deleted":
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break
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default:
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err = fmt.Errorf("Unknown Issue/PR Comment webhook action type: %s", issue.Action)
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return
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}
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org = issue.Repository.Owner
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extraAction = issue.Action
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case common.RequestType_IssueLabel:
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issue := common.IssueWebhookEvent{}
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if err = json.Unmarshal(data, &issue); err != nil {
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return
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}
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switch issue.Action {
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case "label_updated", "label_cleared":
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break
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default:
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err = fmt.Errorf("Unknown Issue Assign webhook action type: %s", issue.Action)
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return
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}
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org = issue.Repository.Owner
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extraAction = issue.Action
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case common.RequestType_IssueMilestone:
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issue := common.IssueWebhookEvent{}
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if err = json.Unmarshal(data, &issue); err != nil {
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return
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}
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switch issue.Action {
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case "milestoned", "demilestoned":
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break
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default:
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err = fmt.Errorf("Unknown Issue Assign webhook action type: %s", issue.Action)
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return
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}
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org = issue.Repository.Owner
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extraAction = issue.Action
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case common.RequestType_PR:
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pr := common.PullRequestWebhookEvent{}
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if err = json.Unmarshal(data, &pr); err != nil {
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return
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}
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switch pr.Action {
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case "opened", "closed", "reopened", "edited":
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break
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default:
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err = fmt.Errorf("Unknown PR webhook action type: %s", pr.Action)
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return
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}
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org = pr.Repository.Owner
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extraAction = pr.Action
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case common.RequestType_PRLabel:
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pr := common.PullRequestWebhookEvent{}
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if err = json.Unmarshal(data, &pr); err != nil {
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return
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}
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switch pr.Action {
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case "label_updated", "label_cleared":
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break
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default:
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err = fmt.Errorf("Unknown PR Label webhook action type: %s", pr.Action)
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return
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}
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org = pr.Repository.Owner
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extraAction = pr.Action
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case common.RequestType_PRMilestone:
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pr := common.PullRequestWebhookEvent{}
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if err = json.Unmarshal(data, &pr); err != nil {
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return
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}
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switch pr.Action {
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case "milestoned", "demilestoned":
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break
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default:
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err = fmt.Errorf("Unknown PR Milestone webhook action type: %s", pr.Action)
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return
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}
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org = pr.Repository.Owner
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extraAction = pr.Action
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case common.RequestType_PRAssign:
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issue := common.PullRequestWebhookEvent{}
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if err = json.Unmarshal(data, &issue); err != nil {
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return
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}
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switch issue.Action {
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case "assigned", "unassigned":
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break
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default:
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err = fmt.Errorf("Unknown PR Assign webhook action type: %s", issue.Action)
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return
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}
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org = issue.Repository.Owner
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extraAction = issue.Action
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case common.RequestType_PRReviewRequest:
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issue := common.PullRequestWebhookEvent{}
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if err = json.Unmarshal(data, &issue); err != nil {
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return
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}
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switch issue.Action {
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case "review_requested", "review_request_removed":
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break
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default:
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err = fmt.Errorf("Unknown PR Review Request webhook action type: %s", issue.Action)
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return
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}
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org = issue.Repository.Owner
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extraAction = issue.Action
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case common.RequestType_PRReviewAccepted, common.RequestType_PRReviewRejected:
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pr := common.PullRequestWebhookEvent{}
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if err = json.Unmarshal(data, &pr); err != nil {
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return
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}
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switch pr.Action {
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case "reviewed":
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break
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default:
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err = fmt.Errorf("Unknown PR Review webhook action type: %s", pr.Action)
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return
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}
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org = pr.Repository.Owner
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extraAction = ""
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case common.RequestType_PRSync:
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pr := common.PullRequestWebhookEvent{}
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if err = json.Unmarshal(data, &pr); err != nil {
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return
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}
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switch pr.Action {
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case "synchronized":
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break
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default:
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err = fmt.Errorf("Unknown PR Sync webhook action type: %s", pr.Action)
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return
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}
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org = pr.Repository.Owner
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extraAction = ""
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case common.RequestType_Wiki:
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wiki := common.WikiWebhookEvent{}
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if err = json.Unmarshal(data, &wiki); err != nil {
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return
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}
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switch wiki.Action {
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case "created", "edited", "renamed", "deleted":
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break
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default:
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err = fmt.Errorf("Unknown Wiki webhook action type: %s", wiki.Action)
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return
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}
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org = wiki.Repository.Owner
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extraAction = wiki.Action
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default:
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// TODO: package webhook
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err = fmt.Errorf("Unknown webhook request type: %s", reqType)
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}
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return
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}
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func main() {
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var listenAddr string
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flag.BoolVar(&DebugMode, "debug", false, "enables debugging messages")
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flag.StringVar(&listenAddr, "listen", ListenAddrDef, "HTTP listen socket address for webhook events")
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flag.StringVar(&topicScope, "topic-domain", DefTopicDomain, "Default domain for RabbitMQ topics")
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flag.Parse()
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log.Println("Starting....")
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log.Printf(" * Debugging: %t\n", DebugMode)
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log.Printf(" * Listening: %s\n", listenAddr)
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connectToRabbitMQ()
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http.HandleFunc("POST /rabbitmq-forwarder", func(res http.ResponseWriter, req *http.Request) {
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if len(req.Header.Get("Content-Type")) == 0 ||
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req.Header["Content-Type"][0] != "application/json" ||
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req.Method != "POST" {
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res.WriteHeader(http.StatusInternalServerError)
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return
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}
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hdr := req.Header[common.GiteaRequestHeader]
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if len(hdr) != 1 {
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res.WriteHeader(http.StatusInternalServerError)
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log.Printf("Multiple Gitea headers received. %#v\n", hdr)
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if DebugMode {
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log.Println(req.Header)
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}
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return
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}
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reqType := hdr[0]
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data, err := io.ReadAll(req.Body)
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if err != nil {
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errorStr := fmt.Sprintf("error reading hook info: %v", err)
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res.Header().Add("Content-Type", "plain/text")
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res.Write([]byte(errorStr))
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res.WriteHeader(http.StatusBadRequest)
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if DebugMode {
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log.Printf(errorStr)
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}
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return
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}
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if !json.Valid(data) {
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if DebugMode {
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log.Println("send invalid json request")
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}
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res.WriteHeader(http.StatusBadRequest)
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return
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}
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org, extraAction, err := parseRequestJSONOrg(reqType, data)
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if err != nil {
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res.WriteHeader(http.StatusBadRequest)
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log.Printf("error parsing webhook %s JSON. err: %v", reqType, err)
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if DebugMode {
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dumpUnhandledData(reqType, data)
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}
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return
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}
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if org == nil {
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res.WriteHeader(http.StatusBadRequest)
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log.Printf("no `org` for message... type: %s", reqType)
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if DebugMode {
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dumpUnhandledData(reqType, data)
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}
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return
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}
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err = PublishMessage(org.Username, reqType, extraAction, data)
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if err != nil {
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errorStr := fmt.Sprintf("hook (%s) processing error: %v\n", reqType, err)
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res.Header().Add("Content-Type", "plain/text")
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res.Write([]byte(errorStr))
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res.WriteHeader(http.StatusBadRequest)
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if DebugMode {
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log.Println(errorStr)
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}
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return
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}
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res.WriteHeader(http.StatusOK)
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})
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log.Fatal(http.ListenAndServe(listenAddr, nil))
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}
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