| # 1. install and setup mitmproxy v2.0.2: https://mitmproxy.readthedocs.io/en/v2.0.2/install.html |
| # (In case of python versions trouble, use https://www.anaconda.com/) |
| # 2. mitmdump -q -s -p 8888 \ |
| # "serve-app-dev.py --app /path/to/polygerrit-ui/app/" |
| # 3. start Chrome with --proxy-server="127.0.0.1:8888" --user-data-dir=/tmp/devchrome |
| # 4. open, say, gerrit-review.googlesource.com. Or chromium-review.googlesource.com. Any. |
| # 5. uncompiled source files are served and you can log in, too. |
| # 6. enjoy! |
| # |
| # P.S. For replacing plugins, use --plugins or --plugin_root |
| # |
| # --plugin takes comma-separated list of plugins to add or replace. |
| # |
| # Example: Adding a new plugin to the server response: |
| # --plugins ~/gerrit-testsite/plugins/myplugin.html |
| # |
| # Example: Replace all matching plugins with local versions: |
| # --plugins ~/gerrit-testsite/plugins/ |
| # Following files will be served if they exist for /plugins/tricium/static/tricium.html: |
| # ~/gerrit-testsite/plugins/tricium.html |
| # ~/gerrit-testsite/plugins/tricium/static/tricium.html |
| # |
| # --assets takes assets bundle.html, expecting rest of the assets files to be in the same folder |
| # |
| # Example: |
| # --assets ~/gerrit-testsite/assets/a3be19f.html |
| # |
| |
| from mitmproxy import http |
| from mitmproxy.script import concurrent |
| import re |
| import argparse |
| import os.path |
| import json |
| |
| class Server: |
| def __init__(self, devpath, plugins, pluginroot, assets, strip_assets): |
| if devpath: |
| print("Serving app from " + devpath) |
| if pluginroot: |
| print("Serving plugins from " + pluginroot) |
| if assets: |
| self.assets_root, self.assets_file = os.path.split(assets) |
| print("Assets: using " + self.assets_file + " from " + self.assets_root) |
| else: |
| self.assets_root = None |
| if plugins: |
| self.plugins = {path.split("/")[-1:][0]: path for path in map(expandpath, plugins.split(","))} |
| for filename, path in self.plugins.items(): |
| print("Serving " + filename + " from " + path) |
| else: |
| self.plugins = {} |
| self.devpath = devpath |
| self.pluginroot = pluginroot |
| self.strip_assets = strip_assets |
| |
| def readfile(self, path): |
| with open(path, 'rb') as contentfile: |
| return contentfile.read() |
| |
| @concurrent |
| def response(flow: http.HTTPFlow) -> None: |
| if server.strip_assets: |
| assets_bundle = 'googlesource.com/polygerrit_assets' |
| assets_pos = flow.response.text.find(assets_bundle) |
| if assets_pos != -1: |
| t = flow.response.text |
| flow.response.text = t[:t.rfind('<', 0, assets_pos)] + t[t.find('>', assets_pos) + 1:] |
| return |
| |
| if server.assets_root: |
| marker = 'webcomponents-lite.js"></script>' |
| pos = flow.response.text.find(marker) |
| if pos != -1: |
| pos += len(marker) |
| flow.response.text = ''.join([ |
| flow.response.text[:pos], |
| '<link rel="import" href="/gerrit_assets/123.0/' + server.assets_file + '">', |
| flow.response.text[pos:] |
| ]) |
| |
| assets_prefix = "/gerrit_assets/123.0/" |
| if flow.request.path.startswith(assets_prefix): |
| assets_file = flow.request.path[len(assets_prefix):] |
| flow.response.content = server.readfile(server.assets_root + '/' + assets_file) |
| flow.response.status_code = 200 |
| if assets_file.endswith('.js'): |
| flow.response.headers['Content-type'] = 'text/javascript' |
| return |
| m = re.match(".+polygerrit_ui/\d+\.\d+/(.+)", flow.request.path) |
| pluginmatch = re.match("^/plugins/(.+)", flow.request.path) |
| localfile = "" |
| if flow.request.path == "/config/server/info": |
| config = json.loads(flow.response.content[5:].decode('utf8')) |
| for filename, path in server.plugins.items(): |
| pluginname = filename.split(".")[0] |
| payload = config["plugin"]["js_resource_paths" if filename.endswith(".js") else "html_resource_paths"] |
| if list(filter(lambda url: filename in url, payload)): |
| continue |
| payload.append("plugins/" + pluginname + "/static/" + filename) |
| flow.response.content = str.encode(")]}'\n" + json.dumps(config)) |
| if m is not None: |
| filepath = m.groups()[0] |
| localfile = server.devpath + filepath |
| elif pluginmatch is not None: |
| pluginfile = flow.request.path_components[-1] |
| if server.plugins and pluginfile in server.plugins: |
| if os.path.isfile(server.plugins[pluginfile]): |
| localfile = server.plugins[pluginfile] |
| else: |
| print("Can't find file " + server.plugins[pluginfile] + " for " + flow.request.path) |
| elif server.pluginroot: |
| pluginurl = pluginmatch.groups()[0] |
| if os.path.isfile(server.pluginroot + pluginfile): |
| localfile = server.pluginroot + pluginfile |
| elif os.path.isfile(server.pluginroot + pluginurl): |
| localfile = server.pluginroot + pluginurl |
| if localfile and os.path.isfile(localfile): |
| if pluginmatch is not None: |
| print("Serving " + flow.request.path + " from " + localfile) |
| flow.response.content = server.readfile(localfile) |
| flow.response.status_code = 200 |
| if localfile.endswith('.js'): |
| flow.response.headers['Content-type'] = 'text/javascript' |
| |
| def expandpath(path): |
| return os.path.realpath(os.path.expanduser(path)) |
| |
| parser = argparse.ArgumentParser() |
| parser.add_argument("--app", type=str, default="", help="Path to /polygerrit-ui/app/") |
| parser.add_argument("--plugins", type=str, default="", help="Comma-separated list of plugin files to add/replace") |
| parser.add_argument("--plugin_root", type=str, default="", help="Path containing individual plugin files to replace") |
| parser.add_argument("--assets", type=str, default="", help="Path containing assets file to import.") |
| parser.add_argument("--strip_assets", action="store_true", help="Strip plugin bundles from the response.") |
| args = parser.parse_args() |
| server = Server(expandpath(args.app) + '/', |
| args.plugins, expandpath(args.plugin_root) + '/', |
| args.assets and expandpath(args.assets), |
| args.strip_assets) |
