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Diffstat (limited to 'node_modules/uri-js/src/uri.ts')
| -rw-r--r-- | node_modules/uri-js/src/uri.ts | 556 |
1 files changed, 556 insertions, 0 deletions
diff --git a/node_modules/uri-js/src/uri.ts b/node_modules/uri-js/src/uri.ts new file mode 100644 index 000000000..c282c3723 --- /dev/null +++ b/node_modules/uri-js/src/uri.ts @@ -0,0 +1,556 @@ +/** + * URI.js + * + * @fileoverview An RFC 3986 compliant, scheme extendable URI parsing/validating/resolving library for JavaScript. + * @author <a href="mailto:gary.court@gmail.com">Gary Court</a> + * @see http://github.com/garycourt/uri-js + */ + +/** + * Copyright 2011 Gary Court. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY GARY COURT ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GARY COURT OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * The views and conclusions contained in the software and documentation are those of the + * authors and should not be interpreted as representing official policies, either expressed + * or implied, of Gary Court. + */ + +import URI_PROTOCOL from "./regexps-uri"; +import IRI_PROTOCOL from "./regexps-iri"; +import punycode from "punycode"; +import { toUpperCase, typeOf, assign } from "./util"; + +export interface URIComponents { + scheme?:string; + userinfo?:string; + host?:string; + port?:number|string; + path?:string; + query?:string; + fragment?:string; + reference?:string; + error?:string; +} + +export interface URIOptions { + scheme?:string; + reference?:string; + tolerant?:boolean; + absolutePath?:boolean; + iri?:boolean; + unicodeSupport?:boolean; + domainHost?:boolean; +} + +export interface URISchemeHandler<Components extends URIComponents = URIComponents, Options extends URIOptions = URIOptions, ParentComponents extends URIComponents = URIComponents> { + scheme:string; + parse(components:ParentComponents, options:Options):Components; + serialize(components:Components, options:Options):ParentComponents; + unicodeSupport?:boolean; + domainHost?:boolean; + absolutePath?:boolean; +} + +export interface URIRegExps { + NOT_SCHEME : RegExp, + NOT_USERINFO : RegExp, + NOT_HOST : RegExp, + NOT_PATH : RegExp, + NOT_PATH_NOSCHEME : RegExp, + NOT_QUERY : RegExp, + NOT_FRAGMENT : RegExp, + ESCAPE : RegExp, + UNRESERVED : RegExp, + OTHER_CHARS : RegExp, + PCT_ENCODED : RegExp, + IPV4ADDRESS : RegExp, + IPV6ADDRESS : RegExp, +} + +export const SCHEMES:{[scheme:string]:URISchemeHandler} = {}; + +export function pctEncChar(chr:string):string { + const c = chr.charCodeAt(0); + let e:string; + + if (c < 16) e = "%0" + c.toString(16).toUpperCase(); + else if (c < 128) e = "%" + c.toString(16).toUpperCase(); + else if (c < 2048) e = "%" + ((c >> 6) | 192).toString(16).toUpperCase() + "%" + ((c & 63) | 128).toString(16).toUpperCase(); + else e = "%" + ((c >> 12) | 224).toString(16).toUpperCase() + "%" + (((c >> 6) & 63) | 128).toString(16).toUpperCase() + "%" + ((c & 63) | 128).toString(16).toUpperCase(); + + return e; +} + +export function pctDecChars(str:string):string { + let newStr = ""; + let i = 0; + const il = str.length; + + while (i < il) { + const c = parseInt(str.substr(i + 1, 2), 16); + + if (c < 128) { + newStr += String.fromCharCode(c); + i += 3; + } + else if (c >= 194 && c < 224) { + if ((il - i) >= 6) { + const c2 = parseInt(str.substr(i + 4, 2), 16); + newStr += String.fromCharCode(((c & 31) << 6) | (c2 & 63)); + } else { + newStr += str.substr(i, 6); + } + i += 6; + } + else if (c >= 224) { + if ((il - i) >= 9) { + const c2 = parseInt(str.substr(i + 4, 2), 16); + const c3 = parseInt(str.substr(i + 7, 2), 16); + newStr += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63)); + } else { + newStr += str.substr(i, 9); + } + i += 9; + } + else { + newStr += str.substr(i, 3); + i += 3; + } + } + + return newStr; +} + +function _normalizeComponentEncoding(components:URIComponents, protocol:URIRegExps) { + function decodeUnreserved(str:string):string { + const decStr = pctDecChars(str); + return (!decStr.match(protocol.UNRESERVED) ? str : decStr); + } + + if (components.scheme) components.scheme = String(components.scheme).replace(protocol.PCT_ENCODED, decodeUnreserved).toLowerCase().replace(protocol.NOT_SCHEME, ""); + if (components.userinfo !== undefined) components.userinfo = String(components.userinfo).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_USERINFO, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase); + if (components.host !== undefined) components.host = String(components.host).replace(protocol.PCT_ENCODED, decodeUnreserved).toLowerCase().replace(protocol.NOT_HOST, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase); + if (components.path !== undefined) components.path = String(components.path).replace(protocol.PCT_ENCODED, decodeUnreserved).replace((components.scheme ? protocol.NOT_PATH : protocol.NOT_PATH_NOSCHEME), pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase); + if (components.query !== undefined) components.query = String(components.query).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_QUERY, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase); + if (components.fragment !== undefined) components.fragment = String(components.fragment).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_FRAGMENT, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase); + + return components; +}; + +function _stripLeadingZeros(str:string):string { + return str.replace(/^0*(.*)/, "$1") || "0"; +} + +function _normalizeIPv4(host:string, protocol:URIRegExps):string { + const matches = host.match(protocol.IPV4ADDRESS) || []; + const [, address] = matches; + + if (address) { + return address.split(".").map(_stripLeadingZeros).join("."); + } else { + return host; + } +} + +function _normalizeIPv6(host:string, protocol:URIRegExps):string { + const matches = host.match(protocol.IPV6ADDRESS) || []; + const [, address, zone] = matches; + + if (address) { + const [last, first] = address.toLowerCase().split('::').reverse(); + const firstFields = first ? first.split(":").map(_stripLeadingZeros) : []; + const lastFields = last.split(":").map(_stripLeadingZeros); + const isLastFieldIPv4Address = protocol.IPV4ADDRESS.test(lastFields[lastFields.length - 1]); + const fieldCount = isLastFieldIPv4Address ? 7 : 8; + const lastFieldsStart = lastFields.length - fieldCount; + const fields = Array<string>(fieldCount); + + for (let x = 0; x < fieldCount; ++x) { + fields[x] = firstFields[x] || lastFields[lastFieldsStart + x] || ''; + } + + if (isLastFieldIPv4Address) { + fields[fieldCount - 1] = _normalizeIPv4(fields[fieldCount - 1], protocol); + } + + const allZeroFields = fields.reduce<Array<{index:number,length:number}>>((acc, field, index) => { + if (!field || field === "0") { + const lastLongest = acc[acc.length - 1]; + if (lastLongest && lastLongest.index + lastLongest.length === index) { + lastLongest.length++; + } else { + acc.push({ index, length : 1 }); + } + } + return acc; + }, []); + + const longestZeroFields = allZeroFields.sort((a, b) => b.length - a.length)[0]; + + let newHost:string; + if (longestZeroFields && longestZeroFields.length > 1) { + const newFirst = fields.slice(0, longestZeroFields.index) ; + const newLast = fields.slice(longestZeroFields.index + longestZeroFields.length); + newHost = newFirst.join(":") + "::" + newLast.join(":"); + } else { + newHost = fields.join(":"); + } + + if (zone) { + newHost += "%" + zone; + } + + return newHost; + } else { + return host; + } +} + +const URI_PARSE = /^(?:([^:\/?#]+):)?(?:\/\/((?:([^\/?#@]*)@)?(\[[^\/?#\]]+\]|[^\/?#:]*)(?:\:(\d*))?))?([^?#]*)(?:\?([^#]*))?(?:#((?:.|\n|\r)*))?/i; +const NO_MATCH_IS_UNDEFINED = (<RegExpMatchArray>("").match(/(){0}/))[1] === undefined; + +export function parse(uriString:string, options:URIOptions = {}):URIComponents { + const components:URIComponents = {}; + const protocol = (options.iri !== false ? IRI_PROTOCOL : URI_PROTOCOL); + + if (options.reference === "suffix") uriString = (options.scheme ? options.scheme + ":" : "") + "//" + uriString; + + const matches = uriString.match(URI_PARSE); + + if (matches) { + if (NO_MATCH_IS_UNDEFINED) { + //store each component + components.scheme = matches[1]; + components.userinfo = matches[3]; + components.host = matches[4]; + components.port = parseInt(matches[5], 10); + components.path = matches[6] || ""; + components.query = matches[7]; + components.fragment = matches[8]; + + //fix port number + if (isNaN(components.port)) { + components.port = matches[5]; + } + } else { //IE FIX for improper RegExp matching + //store each component + components.scheme = matches[1] || undefined; + components.userinfo = (uriString.indexOf("@") !== -1 ? matches[3] : undefined); + components.host = (uriString.indexOf("//") !== -1 ? matches[4] : undefined); + components.port = parseInt(matches[5], 10); + components.path = matches[6] || ""; + components.query = (uriString.indexOf("?") !== -1 ? matches[7] : undefined); + components.fragment = (uriString.indexOf("#") !== -1 ? matches[8] : undefined); + + //fix port number + if (isNaN(components.port)) { + components.port = (uriString.match(/\/\/(?:.|\n)*\:(?:\/|\?|\#|$)/) ? matches[4] : undefined); + } + } + + if (components.host) { + //normalize IP hosts + components.host = _normalizeIPv6(_normalizeIPv4(components.host, protocol), protocol); + } + + //determine reference type + if (components.scheme === undefined && components.userinfo === undefined && components.host === undefined && components.port === undefined && !components.path && components.query === undefined) { + components.reference = "same-document"; + } else if (components.scheme === undefined) { + components.reference = "relative"; + } else if (components.fragment === undefined) { + components.reference = "absolute"; + } else { + components.reference = "uri"; + } + + //check for reference errors + if (options.reference && options.reference !== "suffix" && options.reference !== components.reference) { + components.error = components.error || "URI is not a " + options.reference + " reference."; + } + + //find scheme handler + const schemeHandler = SCHEMES[(options.scheme || components.scheme || "").toLowerCase()]; + + //check if scheme can't handle IRIs + if (!options.unicodeSupport && (!schemeHandler || !schemeHandler.unicodeSupport)) { + //if host component is a domain name + if (components.host && (options.domainHost || (schemeHandler && schemeHandler.domainHost))) { + //convert Unicode IDN -> ASCII IDN + try { + components.host = punycode.toASCII(components.host.replace(protocol.PCT_ENCODED, pctDecChars).toLowerCase()); + } catch (e) { + components.error = components.error || "Host's domain name can not be converted to ASCII via punycode: " + e; + } + } + //convert IRI -> URI + _normalizeComponentEncoding(components, URI_PROTOCOL); + } else { + //normalize encodings + _normalizeComponentEncoding(components, protocol); + } + + //perform scheme specific parsing + if (schemeHandler && schemeHandler.parse) { + schemeHandler.parse(components, options); + } + } else { + components.error = components.error || "URI can not be parsed."; + } + + return components; +}; + +function _recomposeAuthority(components:URIComponents, options:URIOptions):string|undefined { + const protocol = (options.iri !== false ? IRI_PROTOCOL : URI_PROTOCOL); + const uriTokens:Array<string> = []; + + if (components.userinfo !== undefined) { + uriTokens.push(components.userinfo); + uriTokens.push("@"); + } + + if (components.host !== undefined) { + //normalize IP hosts, add brackets and escape zone separator for IPv6 + uriTokens.push(_normalizeIPv6(_normalizeIPv4(String(components.host), protocol), protocol).replace(protocol.IPV6ADDRESS, (_, $1, $2) => "[" + $1 + ($2 ? "%25" + $2 : "") + "]")); + } + + if (typeof components.port === "number") { + uriTokens.push(":"); + uriTokens.push(components.port.toString(10)); + } + + return uriTokens.length ? uriTokens.join("") : undefined; +}; + +const RDS1 = /^\.\.?\//; +const RDS2 = /^\/\.(\/|$)/; +const RDS3 = /^\/\.\.(\/|$)/; +const RDS4 = /^\.\.?$/; +const RDS5 = /^\/?(?:.|\n)*?(?=\/|$)/; + +export function removeDotSegments(input:string):string { + const output:Array<string> = []; + + while (input.length) { + if (input.match(RDS1)) { + input = input.replace(RDS1, ""); + } else if (input.match(RDS2)) { + input = input.replace(RDS2, "/"); + } else if (input.match(RDS3)) { + input = input.replace(RDS3, "/"); + output.pop(); + } else if (input === "." || input === "..") { + input = ""; + } else { + const im = input.match(RDS5); + if (im) { + const s = im[0]; + input = input.slice(s.length); + output.push(s); + } else { + throw new Error("Unexpected dot segment condition"); + } + } + } + + return output.join(""); +}; + +export function serialize(components:URIComponents, options:URIOptions = {}):string { + const protocol = (options.iri ? IRI_PROTOCOL : URI_PROTOCOL); + const uriTokens:Array<string> = []; + + //find scheme handler + const schemeHandler = SCHEMES[(options.scheme || components.scheme || "").toLowerCase()]; + + //perform scheme specific serialization + if (schemeHandler && schemeHandler.serialize) schemeHandler.serialize(components, options); + + if (components.host) { + //if host component is an IPv6 address + if (protocol.IPV6ADDRESS.test(components.host)) { + //TODO: normalize IPv6 address as per RFC 5952 + } + + //if host component is a domain name + else if (options.domainHost || (schemeHandler && schemeHandler.domainHost)) { + //convert IDN via punycode + try { + components.host = (!options.iri ? punycode.toASCII(components.host.replace(protocol.PCT_ENCODED, pctDecChars).toLowerCase()) : punycode.toUnicode(components.host)); + } catch (e) { + components.error = components.error || "Host's domain name can not be converted to " + (!options.iri ? "ASCII" : "Unicode") + " via punycode: " + e; + } + } + } + + //normalize encoding + _normalizeComponentEncoding(components, protocol); + + if (options.reference !== "suffix" && components.scheme) { + uriTokens.push(components.scheme); + uriTokens.push(":"); + } + + const authority = _recomposeAuthority(components, options); + if (authority !== undefined) { + if (options.reference !== "suffix") { + uriTokens.push("//"); + } + + uriTokens.push(authority); + + if (components.path && components.path.charAt(0) !== "/") { + uriTokens.push("/"); + } + } + + if (components.path !== undefined) { + let s = components.path; + + if (!options.absolutePath && (!schemeHandler || !schemeHandler.absolutePath)) { + s = removeDotSegments(s); + } + + if (authority === undefined) { + s = s.replace(/^\/\//, "/%2F"); //don't allow the path to start with "//" + } + + uriTokens.push(s); + } + + if (components.query !== undefined) { + uriTokens.push("?"); + uriTokens.push(components.query); + } + + if (components.fragment !== undefined) { + uriTokens.push("#"); + uriTokens.push(components.fragment); + } + + return uriTokens.join(""); //merge tokens into a string +}; + +export function resolveComponents(base:URIComponents, relative:URIComponents, options:URIOptions = {}, skipNormalization?:boolean):URIComponents { + const target:URIComponents = {}; + + if (!skipNormalization) { + base = parse(serialize(base, options), options); //normalize base components + relative = parse(serialize(relative, options), options); //normalize relative components + } + options = options || {}; + + if (!options.tolerant && relative.scheme) { + target.scheme = relative.scheme; + //target.authority = relative.authority; + target.userinfo = relative.userinfo; + target.host = relative.host; + target.port = relative.port; + target.path = removeDotSegments(relative.path || ""); + target.query = relative.query; + } else { + if (relative.userinfo !== undefined || relative.host !== undefined || relative.port !== undefined) { + //target.authority = relative.authority; + target.userinfo = relative.userinfo; + target.host = relative.host; + target.port = relative.port; + target.path = removeDotSegments(relative.path || ""); + target.query = relative.query; + } else { + if (!relative.path) { + target.path = base.path; + if (relative.query !== undefined) { + target.query = relative.query; + } else { + target.query = base.query; + } + } else { + if (relative.path.charAt(0) === "/") { + target.path = removeDotSegments(relative.path); + } else { + if ((base.userinfo !== undefined || base.host !== undefined || base.port !== undefined) && !base.path) { + target.path = "/" + relative.path; + } else if (!base.path) { + target.path = relative.path; + } else { + target.path = base.path.slice(0, base.path.lastIndexOf("/") + 1) + relative.path; + } + target.path = removeDotSegments(target.path); + } + target.query = relative.query; + } + //target.authority = base.authority; + target.userinfo = base.userinfo; + target.host = base.host; + target.port = base.port; + } + target.scheme = base.scheme; + } + + target.fragment = relative.fragment; + + return target; +}; + +export function resolve(baseURI:string, relativeURI:string, options?:URIOptions):string { + const schemelessOptions = assign({ scheme : 'null' }, options); + return serialize(resolveComponents(parse(baseURI, schemelessOptions), parse(relativeURI, schemelessOptions), schemelessOptions, true), schemelessOptions); +}; + +export function normalize(uri:string, options?:URIOptions):string; +export function normalize(uri:URIComponents, options?:URIOptions):URIComponents; +export function normalize(uri:any, options?:URIOptions):any { + if (typeof uri === "string") { + uri = serialize(parse(uri, options), options); + } else if (typeOf(uri) === "object") { + uri = parse(serialize(<URIComponents>uri, options), options); + } + + return uri; +}; + +export function equal(uriA:string, uriB:string, options?: URIOptions):boolean; +export function equal(uriA:URIComponents, uriB:URIComponents, options?:URIOptions):boolean; +export function equal(uriA:any, uriB:any, options?:URIOptions):boolean { + if (typeof uriA === "string") { + uriA = serialize(parse(uriA, options), options); + } else if (typeOf(uriA) === "object") { + uriA = serialize(<URIComponents>uriA, options); + } + + if (typeof uriB === "string") { + uriB = serialize(parse(uriB, options), options); + } else if (typeOf(uriB) === "object") { + uriB = serialize(<URIComponents>uriB, options); + } + + return uriA === uriB; +}; + +export function escapeComponent(str:string, options?:URIOptions):string { + return str && str.toString().replace((!options || !options.iri ? URI_PROTOCOL.ESCAPE : IRI_PROTOCOL.ESCAPE), pctEncChar); +}; + +export function unescapeComponent(str:string, options?:URIOptions):string { + return str && str.toString().replace((!options || !options.iri ? URI_PROTOCOL.PCT_ENCODED : IRI_PROTOCOL.PCT_ENCODED), pctDecChars); +}; |