From 289048d72582e961dec55291b15075b5cf115f32 Mon Sep 17 00:00:00 2001
From: James Pace <jpace121@gmail.com>
Date: Tue, 21 Mar 2023 02:08:46 +0000
Subject: [PATCH] Add push hook reciever.

---
 cmd/j7s-gitea-push-listener/main.go | 95 +++++++++++++++++++++++++++++
 go.mod                              |  5 +-
 go.sum                              |  3 +
 3 files changed, 102 insertions(+), 1 deletion(-)
 create mode 100644 cmd/j7s-gitea-push-listener/main.go

diff --git a/cmd/j7s-gitea-push-listener/main.go b/cmd/j7s-gitea-push-listener/main.go
new file mode 100644
index 0000000..1419b54
--- /dev/null
+++ b/cmd/j7s-gitea-push-listener/main.go
@@ -0,0 +1,95 @@
+// Copyright 2023 James Pace
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+package main
+
+import (
+	"bytes"
+	api "code.gitea.io/gitea/modules/structs"
+	"encoding/json"
+	"flag"
+	"io/ioutil"
+	"log"
+	"net/http"
+)
+
+func main() {
+	postUrl := flag.String("postUrl", "", "URL for Texton Trigger.")
+	flag.Parse()
+	context := NewHandlerContext(*postUrl)
+	http.HandleFunc("/hook", context.hook)
+	log.Println("Listening on :8080/hook")
+	log.Fatal(http.ListenAndServe(":8080", nil))
+}
+
+func (ctx *HandlerContext) hook(w http.ResponseWriter, r *http.Request) {
+	defer r.Body.Close()
+
+	// Make sure we're dealing with the right type of event.
+	event := r.Header.Get("X-Gitea-Event")
+	if event != "push" {
+		log.Println("Got unsupported event of type", event)
+		http.Error(w, "Unsupported event", 400)
+		return
+	}
+	// Now unmarshall.
+	body, err := ioutil.ReadAll(r.Body)
+	if err != nil {
+		log.Println("Failed to read body.")
+		http.Error(w, "Failed to read body", 400)
+		return
+	}
+	var inPayload api.PushPayload
+	err = json.Unmarshal(body, &inPayload)
+	if err != nil {
+		log.Printf("Failed to parse body.")
+		http.Error(w, "Failed to parse payload.", 400)
+		return
+	}
+
+	// Make map of stuff to send to the trigger.
+	outMap := make(map[string]string)
+	outMap["sha"] = inPayload.HeadCommit.ID
+	outMap["repo_owner"] = inPayload.Repo.Owner.UserName
+	outMap["repo_name"] = inPayload.Repo.Name
+	outJson, err := json.Marshal(outMap)
+	if err != nil {
+		log.Println("Failed to make json response.")
+		http.Error(w, "Failed to make json response.", 400)
+		return
+	}
+
+	// Now send it.
+	request, err := http.NewRequest("POST", ctx.postUrl, bytes.NewBuffer(outJson))
+	request.Header.Set("Content-Type", "application/json; charset=UTF-8")
+	client := &http.Client{}
+	response, err := client.Do(request)
+	if err != nil {
+		log.Println("Failed to make request. err:", err)
+		http.Error(w, "Failed to pass on request.", 400)
+		return
+	}
+	defer response.Body.Close()
+
+	// It worked!
+	log.Println("Success!")
+	return
+}
+
+type HandlerContext struct {
+	postUrl string
+}
+
+func NewHandlerContext(postUrl string) *HandlerContext {
+	return &HandlerContext{postUrl: postUrl}
+}
diff --git a/go.mod b/go.mod
index c0b629e..b7d1a8f 100644
--- a/go.mod
+++ b/go.mod
@@ -2,4 +2,7 @@ module git.jpace121.net/public/j7s-gitea-api-wrapper
 
 go 1.15
 
-require code.gitea.io/sdk/gitea v0.15.1
+require (
+	code.gitea.io/gitea/modules/structs v0.0.0-20190610152049-835b53fc259c
+	code.gitea.io/sdk/gitea v0.15.1
+)
diff --git a/go.sum b/go.sum
index 0918234..ea2da7d 100644
--- a/go.sum
+++ b/go.sum
@@ -1,4 +1,7 @@
+code.gitea.io/gitea v1.19.0 h1:YoXejoZ+VV2VZ2f+0MgQnkVHSJ4wBXhFfC6+14qwidA=
 code.gitea.io/gitea-vet v0.2.1/go.mod h1:zcNbT/aJEmivCAhfmkHOlT645KNOf9W2KnkLgFjGGfE=
+code.gitea.io/gitea/modules/structs v0.0.0-20190610152049-835b53fc259c h1:WwxK+8qmKYgU2pfcbCeRSqKwEPeHnW/sfmNc6pjLZC8=
+code.gitea.io/gitea/modules/structs v0.0.0-20190610152049-835b53fc259c/go.mod h1:e/Ukqo229PbsSEymXfLWmNz4g04hwnFml5lW6U+0Azs=
 code.gitea.io/sdk v0.11.0 h1:R3VdjBCxObyLKnv4Svd/TM6oGsXzN8JORbzgkEFb83w=
 code.gitea.io/sdk/gitea v0.15.1 h1:WJreC7YYuxbn0UDaPuWIe/mtiNKTvLN8MLkaw71yx/M=
 code.gitea.io/sdk/gitea v0.15.1/go.mod h1:klY2LVI3s3NChzIk/MzMn7G1FHrfU7qd63iSMVoHRBA=