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executable file
·253 lines (229 loc) · 7.12 KB
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#!/usr/bin/env node
var http = require('http');
var https = require('https');
var fs = require('fs');
var collections = {
'guide': 'https://docs.google.com/feeds/default/private/full/folder%3A0B9PsajIPqzmANGUwMGVhZmYtMTk1ZC00NTdmLWIxMDAtZGI5YWNlZjQ2YjZl/contents',
'api': 'https://docs.google.com/feeds/default/private/full/folder%3A0B7Ovm8bUYiUDYjMwYTc2YWUtZTgzYy00YjIxLThlZDYtYWJlOTFlNzE2NzEw/contents',
'tutorial': 'https://docs.google.com/feeds/default/private/full/folder%3A0B9PsajIPqzmAYWMxYWE3MzYtYzdjYS00OGQxLWJhZjItYzZkMzJiZTRhZjFl/contents',
'cookbook': 'https://docs.google.com/feeds/default/private/full/folder%3A0B7Ovm8bUYiUDNzkxZWM5ZTItN2M5NC00NWIxLTg2ZDMtMmYwNDY1NWM1MGU4/contents',
'misc': 'https://docs.google.com/feeds/default/private/full/folder%3A0B7Ovm8bUYiUDZjVlNmZkYzQtMjZlOC00NmZhLWI5MjAtMGRjZjlkOGJkMDBi/contents'
};
console.log('Google Docs...');
var flag = process && process.argv[2];
if (flag == '--login') {
var username = process.argv[3];
if (username) {
askPassword(function(password){
login(username, password);
});
} else {
console.log('Missing username!');
}
} else if (flag == '--fetch') {
var collection = process.argv[3];
if (collection) {
fetch(collection, collections[collection]);
} else {
for (collection in collections)
fetch(collection, collections[collection]);
}
} else {
help();
}
function help() {
console.log('Synopsys');
console.log('gdocs.js --login <username>');
console.log('gdocs.js --fetch [<docs collection>]');
process.exit(-1);
};
function fetch(collection, url){
console.log('fetching a list of docs in collection ' + collection + '...');
request('GET', url, {
headers: {
'Gdata-Version': '3.0',
'Authorization': 'GoogleLogin auth=' + getAuthToken()
}
},
function(chunk){
var entries = chunk.split('<entry');
entries.shift();
entries.forEach(function(entry){
var title = entry.match(/<title>(.*?)<\/title>/)[1];
if (title.match(/\.ngdoc$/)) {
var exportUrl = entry.match(/<content type='text\/html' src='(.*?)'\/>/)[1];
download(collection, title, exportUrl);
};
});
}
);
}
function download(collection, name, url) {
console.log('Downloading:', name, '...');
request('GET', url + '&exportFormat=txt',
{
headers: {
'Gdata-Version': '3.0',
'Authorization': 'GoogleLogin auth=' + getAuthToken()
}
},
function(data){
data = data.replace('\ufeff', '');
data = data.replace(/\r\n/mg, '\n');
// strip out all text annotations
data = data.replace(/\[[a-zA-Z]{1,2}\]/mg, '');
// strip out all docos comments
data = data.replace(/^[^\s_]+:\n\S+[\S\s]*$/m, '');
// fix smart-quotes
data = data.replace(/[“”]/g, '"');
data = data.replace(/[‘’]/g, "'");
data = data + '\n';
//this should be a bug in Google Doc API, hence need to remove this once the bug is fixed
data = data.replace(/\n\n/g, '\n');
fs.writeFileSync('docs/content/' + collection + '/' + name, reflow(data, 100));
}
);
}
/**
* token=$(curl
* -s https://www.google.com/accounts/ClientLogin
* -d Email=...username...
* -d Passwd=...password...
* -d accountType=GOOGLE
* -d service=writely
* -d Gdata-version=3.0 | cut -d "=" -f 2)
*/
function login(username, password){
request('POST', 'https://www.google.com/accounts/ClientLogin',
{
data: {
Email: username,
Passwd: password,
accountType: 'GOOGLE',
service: 'writely',
'Gdata-version': '3.0'
},
headers: {
'Content-type': 'application/x-www-form-urlencoded'
}
},
function(chunk){
var token;
chunk.split('\n').forEach(function(line){
var parts = line.split('=');
if (parts[0] == 'Auth') {
token = parts[1];
}
});
if (token) {
fs.writeFileSync('tmp/gdocs.auth', token);
console.log("logged in, token saved in 'tmp/gdocs.auth'");
} else {
console.log('failed to log in');
}
}
);
}
function getAuthToken() {
var pwdFile = 'tmp/gdocs.auth';
try {
fs.statSync(pwdFile);
return fs.readFileSync(pwdFile);
} catch (e) {
console.log('Please log in first...');
}
}
function request(method, url, options, response) {
var url = url.match(/http(s?):\/\/(.+?)(\/.*)/);
var isHttps = url[1];
var request = (isHttps ? https : http).request({
host: url[2],
port: (url[1] ? 443 : 80),
path: url[3],
method: method
}, function(res){
switch (res.statusCode) {
case 200:
var data = [];
res.setEncoding('utf8');
res.on('end', function () { response(data.join('')); });
res.on('close', function () { response(data.join('')); }); // https
res.on('data', function (chunk) { data.push(chunk); });
res.on('error', function (e) { console.log(e); });
break;
case 401:
console.log('Eror: Login credentials expired! Please login.');
break;
default:
var data = [];
console.log('ERROR: ', res.statusCode);
console.log('REQUEST URL: ', url[0]);
console.log('REQUEST POST: ', options.data);
console.log('REQUEST HEADERS: ', options.headers);
console.log('RESPONSE HEADERS: ', res.headers);
res.on('end', function (){ console.log('BODY: ', data.join('')); });
res.on('close', function (){ console.log('BODY: ', data.join('')); }); // https
res.on('data', function (chunk) { data.push(chunk); });
res.on('error', function (e){ console.log(e); });
}
});
for(var header in options.headers) {
request.setHeader(header, options.headers[header]);
}
if (options.data)
request.write(encodeData(options.data));
request.on('end', function() {
console.log('end');
});
request.end();
}
function encodeData(obj) {
var pairs = [];
for(var key in obj) {
pairs.push(key + '=' + obj[key]);
}
return pairs.join('&') + '\n';
}
function askPassword(callback) {
var stdin = process.openStdin(),
stdio = process.binding("stdio");
stdio.setRawMode();
console.log('Enter your password:');
var password = "";
stdin.on("data", function(c) {
c = c + "";
switch (c) {
case "\n": case "\r": case "\u0004":
stdio.setRawMode(false);
stdin.pause();
callback(password);
break;
case "\u0003":
process.exit();
break;
default:
password += c;
break;
}
})
}
function reflow(text, margin) {
var lines = [];
text.split(/\n/).forEach(function(line) {
var col = 0;
var reflowLine = '';
function flush() {
reflowLine = reflowLine.replace(/\s*$/, '');
lines.push(reflowLine);
reflowLine = '';
col = 0;
}
line.replace(/\s*\S*\s*/g, function(chunk){
if (col + chunk.length > margin) flush();
reflowLine += chunk;
col += chunk.length;
});
flush();
});
return lines.join('\n');
}