1 | var host = require('docker-host')
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2 | var xtend = require('xtend')
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3 | var once = require('once')
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4 | var querystring = require('querystring')
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5 | var concat = require('concat-stream')
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6 |
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7 | var noop = function() {}
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8 |
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9 | var onjson = function(req, res, cb) {
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10 | res.pipe(concat({encoding:'buffer'}, function(buf) {
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11 | try {
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12 | buf = JSON.parse(buf)
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13 | } catch (err) {
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14 | return cb(err)
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15 | }
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16 | cb(null, buf)
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17 | }))
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18 | }
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19 |
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20 | var onbuffer = function(req, res, cb) {
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21 | res.pipe(concat({encoding:'buffer'}, function(buf) {
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22 | cb(null, buf)
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23 | }))
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24 | }
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25 |
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26 | var onstream = function(req, res, cb) {
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27 | req.on('close', function() {
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28 | res.emit('close')
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29 | })
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30 | req.on('error', function(err) {
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31 | res.emit('error', err)
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32 | })
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33 | cb(null, res)
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34 | }
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35 |
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36 | var onerror = function(req, res, cb) {
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37 | res.pipe(concat({encoding:'buffer'}, function(buf) {
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38 | var err = new Error(buf.toString().trim() || 'Bad status code: '+res.statusCode)
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39 | err.statusCode = res.statusCode
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40 | cb(err)
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41 | }))
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42 | }
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43 |
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44 | var destroyer = function(req) {
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45 | return function() {
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46 | req.destroy()
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47 | }
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48 | }
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49 |
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50 | var API = function(remote, defaults) {
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51 | if (!(this instanceof API)) return new API(remote, defaults)
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52 |
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53 | if (typeof remote === 'object' && !defaults) {
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54 | defaults = remote
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55 | remote = null
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56 | }
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57 |
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58 | this.defaults = xtend(host(remote), defaults)
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59 | this.http = (this.defaults.protocol === 'https:' ? require('https') : require('http')).request
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60 | }
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61 |
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62 | API.prototype.get = function(path, opts, cb) {
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63 | return this.request('GET', path, opts, cb)
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64 | }
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65 |
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66 | API.prototype.put = function(path, opts, cb) {
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67 | return this.request('PUT', path, opts, cb)
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68 | }
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69 |
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70 | API.prototype.post = function(path, opts, cb) {
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71 | return this.request('POST', path, opts, cb)
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72 | }
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73 |
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74 | API.prototype.head = function(path, opts, cb) {
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75 | return this.request('HEAD', path, opts, cb)
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76 | }
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77 |
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78 | API.prototype.del = API.prototype.delete = function(path, opts, cb) {
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79 | return this.request('DELETE', path, opts, cb)
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80 | }
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81 |
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82 | API.prototype.request = function(method, path, opts, cb) {
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83 | if (typeof opts === 'function') {
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84 | cb = opts
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85 | opts = null
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86 | }
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87 |
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88 | cb = once(cb || noop)
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89 | opts = xtend(this.defaults, opts)
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90 |
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91 | if (opts.qs) path += '?'+querystring.stringify(opts.qs)
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92 | if (opts.version) path = '/'+opts.version+path
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93 |
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94 | opts.method = method
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95 | opts.path = path
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96 |
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97 | var req = this.http(opts)
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98 |
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99 | if (opts.timeout) req.setTimeout(opts.timeout, destroyer(req))
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100 | if (opts.json && opts.json !== true) opts.body = JSON.stringify(opts.json)
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101 | if (opts.auth) (opts.headers = opts.headers || {})['X-Registry-Auth'] = new Buffer(JSON.stringify(opts.auth)+'\n').toString('base64')
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102 |
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103 | req.on('response', function(res) {
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104 | if (res.statusCode > 299) onerror(req, res, cb)
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105 | else if (opts.buffer) onbuffer(req, res, cb)
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106 | else if (opts.json) onjson(req, res, cb)
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107 | else onstream(req, res, cb)
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108 | })
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109 |
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110 | req.on('error', cb)
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111 | req.on('close', function() {
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112 | cb(new Error('Premature close'))
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113 | })
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114 |
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115 | if (method !== 'POST' && method !== 'PUT') req.end()
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116 | else if (opts.body) req.end(opts.body)
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117 |
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118 | return req
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119 | }
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120 |
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121 | module.exports = API |
\ | No newline at end of file |