gitea-github-sync/bridge/__init__.py

303 lines
8.7 KiB
Python

from flask import Flask
from flask import request
from flask import redirect
from flask import abort
import requests
from .webgit import Gitea, Github
from .utils import issue_sentinel, generate_sentinel
app = Flask(__name__)
app.config.from_envvar('GIT_BRIDGE_SETTINGS')
@app.route("/bridge")
def index():
return "you've reached the main page for an internal service. congrats!"
@app.route("/bridge/endpoints/gitea/repo", methods=["POST"])
def gitea_handle_repo_action():
"""
Our plan of action for handling these events:
- ignore deleting repositories -- this is a potentially destructive operation
that *only* *the* *user* *should* *do*
- create a cooresponding repo on github
- create a push mirror to github so pushes to gitea get to github
- create webhooks for issues (and in the future, pull requests) on both
Gitea and Github ends
"""
gitea = Gitea(app.config["GITEA_ACCESS_TOKEN"])
github = Github(app.config["GITHUB_ACCESS_TOKEN"])
data = request.json
try:
repository = data["repository"]
repo_action = data["action"]
repo_id = repository["id"]
repo_owner = repository["owner"]["login"]
repo_name = repository["name"]
repo_description = repository["description"]
except KeyError:
abort(400) # the data isn't formatted correctly
if not repo_action == "created":
return ''
github_created_repo_result = github.post(
"https://api.github.com/user/repos",
json={
"name": repo_name,
"description": repo_description,
"homepage": "https://{}/{}/{}".format(
app.config["GITEA_INSTANCE_DOMAIN"],
repo_owner,
repo_name,
),
},
)
new_github_repo_url = github_created_repo_result.json()["html_url"]
gitea_add_github_repo_url_result = gitea.patch(
"https://{}/api/v1/repos/{}/{}".format(
app.config["GITEA_INSTANCE_DOMAIN"],
repo_owner,
repo_name,
),
json={
"website": new_github_repo_url,
},
)
gitea_push_target_result = gitea.post(
"https://{}/api/v1/repos/{}/{}/push_mirrors".format(
app.config["GITEA_INSTANCE_DOMAIN"],
repo_owner,
repo_name
),
json={
"interval": "8h0m0s",
"remote_address": new_github_repo_url,
"remote_password": app.config["GITHUB_ACCESS_TOKEN"],
"remote_username": repo_owner,
"sync_on_commit": True,
},
)
gitea_force_target_push = gitea.post(
"https://{}/api/v1/repos/{}/{}/push_mirrors-sync".format(
app.config["GITEA_INSTANCE_DOMAIN"],
repo_owner,
repo_name
),
)
github_create_webhook_result = github.post(
"https://api.github.com/repos/{}/{}/hooks".format(
repo_owner,
repo_name,
),
json={
"name": "web",
"config": {
"url": "https://{}/bridge/endpoints/github/issue".format(
app.config["GITEA_INSTANCE_DOMAIN"]
),
"content_type": "json",
},
"events": [
"issues", "issue_comment",
],
},
)
gitea_create_webhook_result = gitea.post(
"https://{}/api/v1/repos/{}/{}/hooks".format(
app.config["GITEA_INSTANCE_DOMAIN"],
repo_owner,
repo_name,
),
json={
"active": True,
"type": "gitea",
"config": {
"content_type": "json",
"url": "https://{}/bridge/endpoints/gitea/issue".format(
app.config["GITEA_INSTANCE_DOMAIN"],
),
"http_method": "post",
},
"events": [
"issues", "issue_comment",
],
},
)
return ''
@app.route("/bridge/endpoints/gitea/issue", methods=["POST"])
def gitea_handle_issue_action():
"""
firstly, check if the sentinal is in the issue body
- if it is, then stop processing the event
(we don't want infinite loops)
if we've opened an issue:
- create a new one on the Github side
- make it relate to the Gitea one
- make the Gitea one related to the Github one
if we've commented:
- add a comment to the cooresponding Github issue
if we've closed:
- add a cooresponding comment and close the Github issue
"""
gitea = Gitea(app.config["GITEA_ACCESS_TOKEN"])
github = Github(app.config["GITHUB_ACCESS_TOKEN"])
data = request.json
try:
event_type = data["action"]
repo_owner = data["repository"]["owner"]["login"]
repo_name = data["repository"]["name"]
issue_user = data["issue"]["user"]["login"]
issue_user_url = "https://{}/{}".format(
app.config["GITEA_INSTANCE_DOMAIN"],
issue_user,
)
issue_number = data["issue"]["number"]
if event_type == "opened": # new issue created
event_title = data["issue"]["title"]
event_body = data["issue"]["body"]
elif event_type == "created": # new comment on that issue
event_title = None
event_body = data["comment"]["body"]
elif event_type == "closed": # issue closed
event_title = None
event_body = data["issue"]["body"]
event_url = data["issue"]["url"]
except KeyError as e:
print(e, type(e))
abort(400) # the data isn't formatted correctly
if issue_sentinel in event_body:
return ''
if event_type == "opened":
issue_header = "*This issue has automatically been created by [`gitea-github-sync`](https://{}/bridge/about) on behalf of [{}]({}).*".format(
app.config["GITEA_INSTANCE_DOMAIN"],
issue_user,
issue_user_url,
)
issue_footer = """
<details>
<summary>Internal issue metadata</summary>
{}
</details>
""".format(generate_sentinel(event_url))
issue_body = "\n\n".join([
issue_header,
event_body,
issue_footer
])
github_create_issue_result = github.post(
"https://api.github.com/repos/{}/{}/issues".format(
repo_owner,
repo_name,
),
json={
"title": event_title,
"body": issue_body,
},
)
returned_data = github_create_issue_result.json()
issue_comment_body = """
*This issue is being mirrored on Github [here]({}).*
<details>
<summary>Internal issue metadata</summary>
{}
</details>
""".format(
returned_data["html_url"],
generate_sentinel(returned_data["url"])
)
gitea_issue_comment_result = gitea.post(
"https://{}/api/v1/repos/{}/{}/issues/{}/comments".format(
app.config["GITEA_INSTANCE_DOMAIN"],
repo_owner,
repo_name,
issue_number,
),
json={
"body": issue_comment_body,
},
)
elif event_type == "created":
comment_user = data["comment"]["user"]["login"]
comment_user_url = "https://{}/{}".format(
app.config["GITEA_INSTANCE_DOMAIN"],
comment_user,
)
comment_header = "*This comment has automatically been created by [`gitea-github-sync`](https://{}/bridge/about) on behalf of [{}]({}).*".format(
app.config["GITEA_INSTANCE_DOMAIN"],
comment_user,
comment_user_url,
)
comment_footer = """
<details>
<summary>Internal issue metadata</summary>
{}
</details>
""".format(generate_sentinel(event_url))
comment_body = "\n\n".join([
comment_header,
event_body,
comment_footer,
])
github_comment_post_result = github.post(
"https://api.github.com/repos/{}/{}/issues/{}/comment".format(
repo_owner,
repo_name,
issue_number,
),
json={
"body": comment_body,
},
)
elif event_type == "closed":
github_close_issue_result = github.patch(
"https://api.github.com/repos/{}/{}/issues/{}".format(
repo_owner,
repo_name,
issue_number,
),
json={
"state": "closed",
},
)
return ''