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Side by Side Diff: third_party/WebKit/Source/devtools/scripts/hosted_mode/server.js

Issue 2236733002: DevTools: Override browser commit hash with process.env.CHROMIUM_COMMIT (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: added helpful info Created 4 years, 4 months ago
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1 // Copyright (c) 2016 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2016 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 var fs = require("fs"); 4 var fs = require("fs");
5 var http = require("http"); 5 var http = require("http");
6 var https = require("https"); 6 var https = require("https");
7 var path = require("path"); 7 var path = require("path");
8 var parseURL = require("url").parse; 8 var parseURL = require("url").parse;
9 var Stream = require("stream").Transform; 9 var Stream = require("stream").Transform;
10 10
11 var remoteDebuggingPort = parseInt(process.env.REMOTE_DEBUGGING_PORT, 10) || 922 2; 11 var remoteDebuggingPort = parseInt(process.env.REMOTE_DEBUGGING_PORT, 10) || 922 2;
12 var serverPort = parseInt(process.env.PORT, 10) || 8090; 12 var serverPort = parseInt(process.env.PORT, 10) || 8090;
13 var devtoolsFolder = path.resolve(path.join(__dirname, "../..")); 13 var devtoolsFolder = path.resolve(path.join(__dirname, "../.."));
14 14
15 http.createServer(requestHandler).listen(serverPort); 15 http.createServer(requestHandler).listen(serverPort);
16 console.log("Started hosted mode server at http://localhost:" + serverPort); 16 console.log(`Started hosted mode server at http://localhost:${serverPort}\n`);
17 console.log("For info on using the hosted mode server, see our contributing docs :");
18 console.log("https://bit.ly/devtools-contribution-guide");
19 console.log("Tip: Look for the 'Hosted Mode Server Options' section");
17 20
18 function requestHandler(request, response) 21 function requestHandler(request, response)
19 { 22 {
20 var filePath = parseURL(request.url).pathname; 23 var filePath = parseURL(request.url).pathname;
21 if (filePath === "/") { 24 if (filePath === "/") {
22 var landingURL = `http://localhost:${remoteDebuggingPort}#http://localho st:${serverPort}/front_end/inspector.html?experiments=true`; 25 var landingURL = `http://localhost:${remoteDebuggingPort}#http://localho st:${serverPort}/front_end/inspector.html?experiments=true`;
23 sendResponse(200, `<html>Please go to <a href="${landingURL}">${landingU RL}</a></html>`); 26 sendResponse(200, `<html>Please go to <a href="${landingURL}">${landingU RL}</a></html>`);
24 return; 27 return;
25 } 28 }
26 29
27 var proxiedFile = proxy(filePath, sendResponse); 30 var proxiedFile = proxy(filePath, sendResponse);
28 if (proxiedFile) { 31 if (proxiedFile) {
29 proxiedFile 32 proxiedFile
30 .then(data => sendResponse(200, data)) 33 .then(data => sendResponse(200, data))
31 .catch(handleProxyError); 34 .catch(handleProxyError);
32 return; 35 return;
33 } 36 }
34 37
35 function handleProxyError(err) 38 function handleProxyError(err)
36 { 39 {
37 console.log(`Error fetching over the internet file ${filePath}:`, err); 40 console.log(`Error fetching over the internet file ${filePath}:`, err);
38 console.log(`Make sure you opened Chrome with the flag "--remote-debuggi ng-port=${remoteDebuggingPort}"`); 41 console.log(`Make sure you opened Chrome with the flag "--remote-debuggi ng-port=${remoteDebuggingPort}"`);
39 sendResponse(500, "500 - Internal Server Error"); 42 sendResponse(500, "500 - Internal Server Error");
40 } 43 }
41 44
42 var absoluteFilePath = path.join(process.cwd(), filePath); 45 var absoluteFilePath = path.join(process.cwd(), filePath);
43 if (!path.resolve(absoluteFilePath).startsWith(devtoolsFolder)) { 46 if (!path.resolve(absoluteFilePath).startsWith(devtoolsFolder)) {
44 console.log(`File requested is outside of devtools folder: ${devtoolsFol der}`); 47 console.log(`File requested is outside of devtools folder: ${devtoolsFol der}`);
45 sendResponse(403, "`403 - Access denied. File requested is outside of de vtools folder: ${devtoolsFolder}`"); 48 sendResponse(403, `403 - Access denied. File requested is outside of dev tools folder: ${devtoolsFolder}`);
46 return; 49 return;
47 } 50 }
48 51
49 fs.exists(absoluteFilePath, fsExistsCallback); 52 fs.exists(absoluteFilePath, fsExistsCallback);
50 53
51 function fsExistsCallback(fileExists) 54 function fsExistsCallback(fileExists)
52 { 55 {
53 if (!fileExists) { 56 if (!fileExists) {
54 console.log(`Cannot find file ${absoluteFilePath}`); 57 console.log(`Cannot find file ${absoluteFilePath}`);
55 sendResponse(404, "404 - File not found"); 58 sendResponse(404, "404 - File not found");
(...skipping 30 matching lines...) Expand all
86 { 89 {
87 return `https://chrome-devtools-frontend.appspot.com/serve_file/@${commitHas h}/${path}`; 90 return `https://chrome-devtools-frontend.appspot.com/serve_file/@${commitHas h}/${path}`;
88 } 91 }
89 92
90 var proxyFileCache = new Map(); 93 var proxyFileCache = new Map();
91 94
92 function proxy(filePath) 95 function proxy(filePath)
93 { 96 {
94 if (!(filePath in proxyFilePathToURL)) 97 if (!(filePath in proxyFilePathToURL))
95 return null; 98 return null;
99 if (process.env.CHROMIUM_COMMIT)
100 return onProxyFileURL(proxyFilePathToURL[filePath](process.env.CHROMIUM_ COMMIT));
96 return fetch(`http://localhost:${remoteDebuggingPort}/json/version`) 101 return fetch(`http://localhost:${remoteDebuggingPort}/json/version`)
97 .then(onBrowserMetadata); 102 .then(onBrowserMetadata)
103 .then(onProxyFileURL);
98 104
99 function onBrowserMetadata(metadata) 105 function onBrowserMetadata(metadata)
100 { 106 {
101 var metadataObject = JSON.parse(metadata); 107 var metadataObject = JSON.parse(metadata);
102 var match = metadataObject["WebKit-Version"].match(/\s\(@(\b[0-9a-f]{5,4 0}\b)/); 108 var match = metadataObject["WebKit-Version"].match(/\s\(@(\b[0-9a-f]{5,4 0}\b)/);
103 var commitHash = match[1]; 109 var commitHash = match[1];
104 var proxyFileURL = proxyFilePathToURL[filePath](commitHash); 110 var proxyFileURL = proxyFilePathToURL[filePath](commitHash);
111 return proxyFileURL;
112 }
113
114 function onProxyFileURL(proxyFileURL)
115 {
105 if (proxyFileCache.has(proxyFileURL)) 116 if (proxyFileCache.has(proxyFileURL))
106 return proxyFileCache.get(proxyFileURL); 117 return Promise.resolve(proxyFileCache.get(proxyFileURL));
107 return fetch(proxyFileURL) 118 return fetch(proxyFileURL)
108 .then(cacheProxyFile.bind(null, proxyFileURL)); 119 .then(cacheProxyFile.bind(null, proxyFileURL));
109 } 120 }
110 121
111 function cacheProxyFile(proxyFileURL, data) 122 function cacheProxyFile(proxyFileURL, data)
112 { 123 {
113 proxyFileCache.set(proxyFileURL, data); 124 proxyFileCache.set(proxyFileURL, data);
114 return data; 125 return data;
115 } 126 }
116 } 127 }
(...skipping 23 matching lines...) Expand all
140 if (response.statusCode !== 200) { 151 if (response.statusCode !== 200) {
141 reject(new Error(`Request error: + ${response.statusCode}`)); 152 reject(new Error(`Request error: + ${response.statusCode}`));
142 return; 153 return;
143 } 154 }
144 var body = new Stream(); 155 var body = new Stream();
145 response.on("data", chunk => body.push(chunk)); 156 response.on("data", chunk => body.push(chunk));
146 response.on("end", () => resolve(body.read())); 157 response.on("end", () => resolve(body.read()));
147 } 158 }
148 } 159 }
149 160
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