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736c8fbbae
The urlResolve method was fixed to automatically remove the volume label from path names to fix issues with the file protocol on windows where $location.path() was returning paths where the first segment would be the volume name, such as "/C:/mypath". See #4942 and #4928 However, the solution was specific to the $location non- HTML5 mode, and was implemented at a lower level of abstraction than it should have been. This refactor moves the fix to inside of the LocationHashBangUrl $$parse method. Closes #5041
103 lines
4.9 KiB
JavaScript
103 lines
4.9 KiB
JavaScript
'use strict';
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// NOTE: The usage of window and document instead of $window and $document here is
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// deliberate. This service depends on the specific behavior of anchor nodes created by the
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// browser (resolving and parsing URLs) that is unlikely to be provided by mock objects and
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// cause us to break tests. In addition, when the browser resolves a URL for XHR, it
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// doesn't know about mocked locations and resolves URLs to the real document - which is
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// exactly the behavior needed here. There is little value is mocking these out for this
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// service.
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var urlParsingNode = document.createElement("a");
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var originUrl = urlResolve(window.location.href, true);
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/**
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*
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* Implementation Notes for non-IE browsers
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* ----------------------------------------
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* Assigning a URL to the href property of an anchor DOM node, even one attached to the DOM,
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* results both in the normalizing and parsing of the URL. Normalizing means that a relative
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* URL will be resolved into an absolute URL in the context of the application document.
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* Parsing means that the anchor node's host, hostname, protocol, port, pathname and related
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* properties are all populated to reflect the normalized URL. This approach has wide
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* compatibility - Safari 1+, Mozilla 1+, Opera 7+,e etc. See
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* http://www.aptana.com/reference/html/api/HTMLAnchorElement.html
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*
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* Implementation Notes for IE
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* ---------------------------
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* IE >= 8 and <= 10 normalizes the URL when assigned to the anchor node similar to the other
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* browsers. However, the parsed components will not be set if the URL assigned did not specify
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* them. (e.g. if you assign a.href = "foo", then a.protocol, a.host, etc. will be empty.) We
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* work around that by performing the parsing in a 2nd step by taking a previously normalized
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* URL (e.g. by assigning to a.href) and assigning it a.href again. This correctly populates the
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* properties such as protocol, hostname, port, etc.
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*
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* IE7 does not normalize the URL when assigned to an anchor node. (Apparently, it does, if one
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* uses the inner HTML approach to assign the URL as part of an HTML snippet -
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* http://stackoverflow.com/a/472729) However, setting img[src] does normalize the URL.
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* Unfortunately, setting img[src] to something like "javascript:foo" on IE throws an exception.
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* Since the primary usage for normalizing URLs is to sanitize such URLs, we can't use that
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* method and IE < 8 is unsupported.
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*
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* References:
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* http://developer.mozilla.org/en-US/docs/Web/API/HTMLAnchorElement
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* http://www.aptana.com/reference/html/api/HTMLAnchorElement.html
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* http://url.spec.whatwg.org/#urlutils
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* https://github.com/angular/angular.js/pull/2902
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* http://james.padolsey.com/javascript/parsing-urls-with-the-dom/
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*
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* @function
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* @param {string} url The URL to be parsed.
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* @description Normalizes and parses a URL.
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* @returns {object} Returns the normalized URL as a dictionary.
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*
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* | member name | Description |
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* |---------------|----------------|
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* | href | A normalized version of the provided URL if it was not an absolute URL |
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* | protocol | The protocol including the trailing colon |
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* | host | The host and port (if the port is non-default) of the normalizedUrl |
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* | search | The search params, minus the question mark |
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* | hash | The hash string, minus the hash symbol
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* | hostname | The hostname
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* | port | The port, without ":"
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* | pathname | The pathname, beginning with "/"
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*
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*/
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function urlResolve(url, base) {
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var href = url;
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if (msie) {
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// Normalize before parse. Refer Implementation Notes on why this is
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// done in two steps on IE.
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urlParsingNode.setAttribute("href", href);
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href = urlParsingNode.href;
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}
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urlParsingNode.setAttribute('href', href);
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// urlParsingNode provides the UrlUtils interface - http://url.spec.whatwg.org/#urlutils
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return {
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href: urlParsingNode.href,
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protocol: urlParsingNode.protocol ? urlParsingNode.protocol.replace(/:$/, '') : '',
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host: urlParsingNode.host,
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search: urlParsingNode.search ? urlParsingNode.search.replace(/^\?/, '') : '',
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hash: urlParsingNode.hash ? urlParsingNode.hash.replace(/^#/, '') : '',
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hostname: urlParsingNode.hostname,
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port: urlParsingNode.port,
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pathname: (urlParsingNode.pathname.charAt(0) === '/')
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? urlParsingNode.pathname
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: '/' + urlParsingNode.pathname
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};
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}
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/**
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* Parse a request URL and determine whether this is a same-origin request as the application document.
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*
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* @param {string|object} requestUrl The url of the request as a string that will be resolved
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* or a parsed URL object.
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* @returns {boolean} Whether the request is for the same origin as the application document.
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*/
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function urlIsSameOrigin(requestUrl) {
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var parsed = (isString(requestUrl)) ? urlResolve(requestUrl) : requestUrl;
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return (parsed.protocol === originUrl.protocol &&
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parsed.host === originUrl.host);
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}
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