b38dea0597
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
96 lines
2.4 KiB
JavaScript
96 lines
2.4 KiB
JavaScript
'use strict';
|
|
|
|
var rscheme = /^(?:[a-z\u00a1-\uffff0-9-+]+)(?::(?:\/\/)?)/i;
|
|
|
|
var UrlHelper = {
|
|
|
|
// Placeholder anchor tag to format URLs.
|
|
a: null,
|
|
|
|
getUrlFromInput: function urlHelper_getUrlFromInput(input) {
|
|
this.a = this.a || document.createElement('a');
|
|
this.a.href = input;
|
|
return this.a.href;
|
|
},
|
|
|
|
_getScheme: function(input) {
|
|
// This function returns one of followings
|
|
// - scheme + ':' (ex. http:)
|
|
// - scheme + '://' (ex. http://)
|
|
// - null
|
|
return (rscheme.exec(input) || [])[0];
|
|
},
|
|
|
|
hasScheme: function(input) {
|
|
return !!this._getScheme(input);
|
|
},
|
|
|
|
isURL: function urlHelper_isURL(input) {
|
|
return !UrlHelper.isNotURL(input);
|
|
},
|
|
|
|
isNotURL: function urlHelper_isNotURL(input) {
|
|
// in bug 904731, we use <input type='url' value=''> to
|
|
// validate url. However, there're still some cases
|
|
// need extra validation. We'll remove it til bug fixed
|
|
// for native form validation.
|
|
//
|
|
// for cases, ?abc and "a? b" which should searching query
|
|
var case1Reg = /^(\?)|(\?.+\s)/;
|
|
// for cases, pure string
|
|
var case2Reg = /[\?\.\s\:]/;
|
|
// for cases, data:uri and view-source:uri
|
|
var case3Reg = /^(data|view-source)\:/;
|
|
|
|
var str = input.trim();
|
|
if (case1Reg.test(str) || !case2Reg.test(str) ||
|
|
this._getScheme(str) === str) {
|
|
return true;
|
|
}
|
|
if (case3Reg.test(str)) {
|
|
return false;
|
|
}
|
|
// require basic scheme before form validation
|
|
if (!this.hasScheme(str)) {
|
|
str = 'http://' + str;
|
|
}
|
|
if (!this.urlValidate) {
|
|
this.urlValidate = document.createElement('input');
|
|
this.urlValidate.setAttribute('type', 'url');
|
|
}
|
|
this.urlValidate.setAttribute('value', str);
|
|
return !this.urlValidate.validity.valid;
|
|
},
|
|
|
|
/**
|
|
* Resolve a URL against a base URL.
|
|
*
|
|
* @param url String URL to resolve.
|
|
* @param baseURL String Base URL to resolve against.
|
|
* @returns String resolved URL or null.
|
|
*/
|
|
resolveUrl: function urlHelper_resolveURL(url, baseUrl) {
|
|
if (!url) {
|
|
return null;
|
|
}
|
|
try {
|
|
return new URL(url, baseUrl).href;
|
|
} catch(e) {
|
|
return null;
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Get the hostname from a URL.
|
|
*
|
|
* @param String URL to process.
|
|
* @returns String hostname of URL.
|
|
*/
|
|
getHostname: function urlHelper_getHostname(url) {
|
|
try {
|
|
return new URL(url).hostname;
|
|
} catch(e) {
|
|
return null;
|
|
}
|
|
}
|
|
};
|