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curling/lib/curl-transport.js /
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| "use strict"; | |
| var exec = require("child_process").exec; | |
| function parseStats(stderr) { | |
| var lines = []; | |
| var items = []; | |
| var stats = {}; | |
| var propMap = [ | |
| {index: 1, name: "totalSize", val: 0}, | |
| {index: 3, name: "received", val: 0}, | |
| {index: 5, name: "xferd", val: 0}, | |
| {index: 6, name: "averageDownloadSpeed", val: 0}, | |
| {index: 7, name: "averageUploadSpeed", val: 0}, | |
| {index: 8, name: "totalTime", val: "--:--:--"}, | |
| {index: 9, name: "timeSpent", val: "--:--:--"}, | |
| {index: 10, name: "timeLeft", val: "--:--:--"}, | |
| {index: 11, name: "currentSpeed", val: 0} | |
| ]; | |
| if (stderr) { | |
| try { | |
| lines = stderr.split("\r"); | |
| items = lines[2].replace("\n", "").split(" ").filter(function (item) { return item; }); | |
| } catch (e) {} | |
| } | |
| function getValue(prop) { | |
| if (items.length > prop.index) { | |
| var val = items[prop.index]; | |
| if (isNaN(val)) { | |
| if (val.indexOf(":") !== -1) { | |
| if (val === "--:--:--") { | |
| return 0; | |
| } | |
| var parts = val.split(":"); | |
| if (parts.length === 3) { | |
| return (parts[0] * 24) + (parts[1] * 60) + (parts[2] * 3600); | |
| } | |
| } | |
| return val; | |
| } | |
| return Number(items[prop.index]); | |
| } | |
| return prop.val; | |
| } | |
| propMap.forEach(function (prop) { | |
| stats[prop.name] = getValue(prop); | |
| }); | |
| return stats; | |
| } | |
| exports.run = function (command, cb) { | |
| exec("curl " + command, { maxBuffer : 2048 * 1024 }, function (error, stdout, stderr) { | |
| cb(null, {payload: stdout, stats: parseStats(stderr)}); | |
| }) | |
| .on("error", function (err) { | |
| cb(err, null); | |
| }); | |
| }; | |
| exports.connect = function (connOptions) { | |
| var ctx = this; | |
| function getEmptyOption(option) { | |
| if (option.length === 1) { | |
| return " -" + option; | |
| } | |
| return " --" + option; | |
| } | |
| function getStringOption(option, value) { | |
| return getEmptyOption(option) + " \"" + value + "\""; | |
| } | |
| function processOptions(options) { | |
| var tmp = ""; | |
| if (options) { | |
| Object.keys(options).forEach(function (option) { | |
| var values = options[option]; | |
| if (!values) { | |
| tmp += getEmptyOption(option); | |
| } else if (values.toLowerCase) { | |
| tmp += getStringOption(option, values); | |
| } else if (Array.isArray(values)) { | |
| values.forEach(function (value) { | |
| tmp += getStringOption(option, value); | |
| }); | |
| } | |
| }); | |
| } | |
| return tmp; | |
| } | |
| function getOptions(options) { | |
| return processOptions(connOptions) + processOptions(options); | |
| } | |
| function getCommand(url, options) { | |
| return url + getOptions(options); | |
| } | |
| return { | |
| head: function (url, options, cb) { | |
| var command = "--HEAD " + getCommand(url, options); | |
| ctx.run(command, cb); | |
| }, | |
| get: function (url, options, cb) { | |
| var command = "--GET " + getCommand(url, options); | |
| ctx.run(command, cb); | |
| }, | |
| post: function (url, options, cb) { | |
| var command = getCommand(url, options); | |
| ctx.run(command, cb); | |
| }, | |
| put: function (url, options, cb) { | |
| var command = "--request PUT " + getCommand(url, options); | |
| ctx.run(command, cb); | |
| }, | |
| del: function (url, options, cb) { | |
| var command = "--include --request DELETE" + getCommand(url, options); | |
| ctx.run(command, cb, true); | |
| } | |
| }; | |
| }; |