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98 lines
3.1 KiB
98 lines
3.1 KiB
3 years ago
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pac-resolver
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============
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### Generates an asynchronous resolver function from a [PAC file][pac-wikipedia]
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[](https://github.com/TooTallNate/node-pac-resolver/actions?workflow=Node+CI)
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This module accepts a JavaScript String of code, which is meant to be a
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[PAC proxy file][pac-wikipedia], and returns a generated asynchronous
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`FindProxyForURL()` function.
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Installation
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------------
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Install with `npm`:
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```bash
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$ npm install pac-resolver
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```
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Example
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-------
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Given the PAC proxy file named `proxy.pac`:
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```js
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function FindProxyForURL(url, host) {
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if (isInNet(myIpAddress(), "10.1.10.0", "255.255.255.0")) {
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return "PROXY 1.2.3.4:8080";
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} else {
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return "DIRECT";
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}
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}
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```
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You can consume this PAC file with `pac-resolver` like so:
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```js
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var fs = require('fs');
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var pac = require('pac-resolver');
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var FindProxyForURL = pac(fs.readFileSync('proxy.pac'));
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FindProxyForURL('http://foo.com/').then((res) => {
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console.log(res);
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// "DIRECT"
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});
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```
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API
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---
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### pac(String pacFileContents[, Object options]) → Function
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Returns an asynchronous `FindProxyForURL()` function based off of the given JS
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string `pacFileContents` PAC proxy file. An optional `options` object may be
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passed in which respects the following options:
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* `filename` - String - the filename to use in error stack traces. Defaults to `proxy.pac`.
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* `sandbox` - Object - a map of functions to include in the sandbox of the
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JavaScript environment where the JS code will be executed. i.e. if you wanted to
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include the common `alert` function you could pass `alert: console.log`. For
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async functions, you must set the `async = true` property on the function
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instance, and the JS code will be able to invoke the function as if it were
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synchronous.
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License
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-------
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(The MIT License)
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Copyright (c) 2013 Nathan Rajlich <nathan@tootallnate.net>
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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'Software'), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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[pac-file-docs]: https://web.archive.org/web/20070602031929/http://wp.netscape.com/eng/mozilla/2.0/relnotes/demo/proxy-live.html
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[pac-wikipedia]: http://wikipedia.org/wiki/Proxy_auto-config
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