Created
March 1, 2012 13:14
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#!/usr/bin/env node | |
// script to get all image of target account like lilium.php | |
// process.argv[2] <- account name | |
// process.argv[3] <- directory | |
// process.argv[4] <- if 'quick' it will be quick mode | |
var fs = require('fs'); | |
var util = require('util'); | |
var http = require('http'); | |
var url = require('url'); | |
var spawn = require('child_process').spawn; | |
var account, path, quick = false; | |
switch(process.argv.length) { | |
case 5: | |
if(process.argv[4] == 'quick') { quick = true; } | |
case 4: | |
path = process.argv[3]; | |
account = process.argv[2]; | |
break; | |
default: | |
console.error('Expects at least 2 parameter.\nUsase\t: tumblr-image.js [Your Account] [Download destination path]"'); | |
console.error('Example: lilium.php mystia ./download/'); | |
process.exit(1); | |
} | |
path = (path[path.length - 1] != '/')? path + '/' : path; | |
var baseAPI = 'http://' + account + '.tumblr.com/api/read/json?type=photo'; | |
if (!fs.existsSync(path)) { fs.mkdirSync(path); } | |
if (!fs.statSync(path).isDirectory()) { | |
console.error('ERROR : Save destination is not directory.'); | |
process.exit(1); | |
} | |
// JSON paser for Tumblr | |
function tumblr_request(baseAPI, callback) { | |
http.get( | |
url.parse(baseAPI), function(res) { | |
var json_string = ''; | |
res.setEncoding('utf8'); | |
res.on('data', function(d) { json_string += d; }); | |
res.on( | |
'end', function() { | |
// console.log(json_string); | |
// console.log(baseAPI); | |
callback(JSON.parse(json_string.replace(/var tumblr_api_read = /, '').replace(/};/, '}'))); | |
}); | |
}) | |
.on( | |
'error', function(e) { | |
console.error("Got error: " + e.message); | |
exit(1); | |
}); | |
} | |
var saveFailedCnt = 0, quick_count = 0, post_total = 0; | |
var PER_REQUEST = 50, FREQ_SECOND = 1, QUICK_EXIT_NUMBER = 100, FETCH_ITEM_MAX = 200; | |
var job_queue = []; | |
var running_job_number = 0; | |
process.on( | |
'exit', function() { | |
var saveSuccusesCnt = post_total - saveFailedCnt; | |
console.log(saveSuccusesCnt + ' images saved!!'); | |
console.log(saveFailedCnt + ' images save failed.'); | |
}); | |
function load_posts(offset) { | |
tumblr_request( | |
baseAPI + '&start='+ offset + '&num=' + PER_REQUEST, function(data) { // GET JSON | |
for (var j = 0; j < PER_REQUEST; j++) { | |
if (offset + j >= data['posts-total']) { return; } | |
var lastSlashMat = data.posts[j]['photo-url-1280'].match(/\/([^\/]+)$/); | |
var mat = !lastSlashMat[1].match(/\.[^.]+/) | |
? data.posts[j]['photo-url-75'].match(/\.[^.]+$/)[0] : ''; | |
var fileName = path + lastSlashMat[1] + mat; | |
if(quick && fs.existsSync(fileName) && (++quick_count > QUICK_EXIT_NUMBER)) { processs.exit(); } | |
job_queue.push(['--continue', '-O', fileName, data.posts[j]['photo-url-1280']]); | |
/* | |
console.log('Status : ' + util.format('(%d / %d)', (offset + j + 1), post_total) | |
+ ' - ' + ((offset + j + 1) * 100 / data['posts-total']) + ' %' | |
+ ' : ' + fileName + ' from ' + data.posts[j]['photo-url-1280'] | |
); | |
*/ | |
} | |
}); | |
} | |
tumblr_request( | |
baseAPI, function(data) { | |
post_total = data['posts-total']; | |
console.log('Founded {' + post_total + '} images.'); | |
console.log('Getting start!!'); | |
for (var i = 0; i < post_total; i += PER_REQUEST) { | |
(function(offset) { | |
setTimeout(function() { load_posts(offset); }, 1000 * FREQ_SECOND / PER_REQUEST * offset); | |
})(i); | |
} | |
}); | |
function poller() { | |
if(running_job_number >= FETCH_ITEM_MAX) { return; } | |
while(job_queue.length > 0 && running_job_number < FETCH_ITEM_MAX) { | |
try { | |
spawn('wget', job_queue.pop()) | |
.on('exit', function(code, signal) { | |
process.stdout.write('+'); | |
running_job_number--; | |
if(code !== 0) saveFailedCnt++; | |
}); | |
running_job_number++; | |
} catch(e) { | |
console.error(e); | |
process.exit(1); | |
} | |
} | |
setTimeout(poller, 1000 * FREQ_SECOND); | |
/* | |
http.get( | |
url.parse(data.posts[j]['photo-url-1280']), function(res) { | |
var file = fs.createWriteStream(fileName); | |
res.pause(); | |
res.on('data', function(d) { file.write(d); }); | |
res.on('error', function(e) { saveFailedCnt++; }); | |
res.resume(); | |
}); | |
*/ | |
} | |
poller(); |
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