зеркало из https://github.com/mozilla/gecko-dev.git
234 строки
8.6 KiB
Plaintext
234 строки
8.6 KiB
Plaintext
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsISupports.idl"
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interface nsIURI;
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interface nsIPrefBranch;
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/**
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* nsINetUtil provides various network-related utility methods.
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*/
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[scriptable, uuid(fe2625ec-b884-4df1-b39c-9e830e47aa94)]
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interface nsINetUtil : nsISupports
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{
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/**
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* Parse a Content-Type header value in strict mode. This is a more
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* conservative parser that reject things that violate RFC 7231 section
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* 3.1.1.1. This is typically useful for parsing Content-Type header values
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* that are used for HTTP requests, and those that are used to make security
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* decisions.
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*
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* @param aTypeHeader the header string to parse
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* @param [out] aCharset the charset parameter specified in the
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* header, if any.
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* @param [out] aHadCharset whether a charset was explicitly specified.
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* @return the MIME type specified in the header, in lower-case.
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*/
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AUTF8String parseRequestContentType(in AUTF8String aTypeHeader,
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out AUTF8String aCharset,
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out boolean aHadCharset);
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/**
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* Parse a Content-Type header value in relaxed mode. This is a more
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* permissive parser that ignores things that go against RFC 7231 section
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* 3.1.1.1. This is typically useful for parsing Content-Type header values
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* received from web servers where we want to make a best effort attempt
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* at extracting a useful MIME type and charset.
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*
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* NOTE: DO NOT USE THIS if you're going to make security decisions
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* based on the result.
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*
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* @param aTypeHeader the header string to parse
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* @param [out] aCharset the charset parameter specified in the
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* header, if any.
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* @param [out] aHadCharset whether a charset was explicitly specified.
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* @return the MIME type specified in the header, in lower-case.
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*/
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AUTF8String parseResponseContentType(in AUTF8String aTypeHeader,
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out AUTF8String aCharset,
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out boolean aHadCharset);
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/**
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* Test whether the given URI's handler has the given protocol flags.
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*
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* @param aURI the URI in question
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* @param aFlags the flags we're testing for.
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*
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* @return whether the protocol handler for aURI has all the flags
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* in aFlags.
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*/
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boolean protocolHasFlags(in nsIURI aURI, in unsigned long aFlag);
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/**
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* Test whether the protocol handler for this URI or that for any of
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* its inner URIs has the given protocol flags. This will QI aURI to
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* nsINestedURI and walk the nested URI chain.
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*
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* @param aURI the URI in question
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* @param aFlags the flags we're testing for.
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*
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* @return whether any of the protocol handlers involved have all the flags
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* in aFlags.
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*/
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boolean URIChainHasFlags(in nsIURI aURI, in unsigned long aFlags);
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/** Escape every character with its %XX-escaped equivalent */
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const unsigned long ESCAPE_ALL = 0;
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/** Leave alphanumeric characters intact and %XX-escape all others */
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const unsigned long ESCAPE_XALPHAS = 1;
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/** Leave alphanumeric characters intact, convert spaces to '+',
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%XX-escape all others */
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const unsigned long ESCAPE_XPALPHAS = 2;
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/** Leave alphanumeric characters and forward slashes intact,
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%XX-escape all others */
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const unsigned long ESCAPE_URL_PATH = 4;
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/**
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* escape a string with %00-style escaping
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*/
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ACString escapeString(in ACString aString, in unsigned long aEscapeType);
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/** %XX-escape URL scheme */
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const unsigned long ESCAPE_URL_SCHEME = 1;
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/** %XX-escape username in the URL */
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const unsigned long ESCAPE_URL_USERNAME = 1 << 1;
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/** %XX-escape password in the URL */
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const unsigned long ESCAPE_URL_PASSWORD = 1 << 2;
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/** %XX-escape URL host */
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const unsigned long ESCAPE_URL_HOST = 1 << 3;
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/** %XX-escape URL directory */
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const unsigned long ESCAPE_URL_DIRECTORY = 1 << 4;
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/** %XX-escape file basename in the URL */
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const unsigned long ESCAPE_URL_FILE_BASENAME = 1 << 5;
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/** %XX-escape file extension in the URL */
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const unsigned long ESCAPE_URL_FILE_EXTENSION = 1 << 6;
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/** %XX-escape URL parameters */
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const unsigned long ESCAPE_URL_PARAM = 1 << 7;
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/** %XX-escape URL query */
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const unsigned long ESCAPE_URL_QUERY = 1 << 8;
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/** %XX-escape URL ref */
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const unsigned long ESCAPE_URL_REF = 1 << 9;
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/** %XX-escape URL path - same as escaping directory, basename and extension */
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const unsigned long ESCAPE_URL_FILEPATH =
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ESCAPE_URL_DIRECTORY | ESCAPE_URL_FILE_BASENAME | ESCAPE_URL_FILE_EXTENSION;
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/** %XX-escape scheme, username, password, host, path, params, query and ref */
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const unsigned long ESCAPE_URL_MINIMAL =
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ESCAPE_URL_SCHEME | ESCAPE_URL_USERNAME | ESCAPE_URL_PASSWORD |
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ESCAPE_URL_HOST | ESCAPE_URL_FILEPATH | ESCAPE_URL_PARAM |
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ESCAPE_URL_QUERY | ESCAPE_URL_REF;
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/** Force %XX-escaping of already escaped sequences */
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const unsigned long ESCAPE_URL_FORCED = 1 << 10;
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/** Skip non-ascii octets, %XX-escape all others */
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const unsigned long ESCAPE_URL_ONLY_ASCII = 1 << 11;
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/**
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* Skip graphic octets (0x20-0x7E) when escaping
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* Skips all ASCII octets (0x00-0x7F) when unescaping
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*/
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const unsigned long ESCAPE_URL_ONLY_NONASCII = 1 << 12;
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/** Force %XX-escape of colon */
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const unsigned long ESCAPE_URL_COLON = 1 << 14;
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/** Skip C0 and DEL from unescaping */
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const unsigned long ESCAPE_URL_SKIP_CONTROL = 1 << 15;
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/**
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* %XX-Escape invalid chars in a URL segment.
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*
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* @param aStr the URL to be escaped
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* @param aFlags the URL segment type flags
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*
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* @return the escaped string (the string itself if escaping did not happen)
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*
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*/
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ACString escapeURL(in ACString aStr, in unsigned long aFlags);
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/**
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* Expands URL escape sequences
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*
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* @param aStr the URL to be unescaped
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* @param aFlags only ESCAPE_URL_ONLY_NONASCII and ESCAPE_URL_SKIP_CONTROL
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* are recognized. If |aFlags| is 0 all escape sequences are
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* unescaped
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* @return unescaped string
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*/
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ACString unescapeString(in AUTF8String aStr, in unsigned long aFlags);
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/**
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* Extract the charset parameter location and value from a content-type
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* header.
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*
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* @param aTypeHeader the header string to parse
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* @param [out] aCharset the charset parameter specified in the
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* header, if any.
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* @param [out] aCharsetStart index of the start of the charset parameter
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* (the ';' separating it from what came before) in aTypeHeader.
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* If this function returns false, this argument will still be
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* set, to the index of the location where a new charset should
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* be inserted.
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* @param [out] aCharsetEnd index of the end of the charset parameter (the
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* ';' separating it from what comes after, or the end
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* of the string) in aTypeHeader. If this function returns
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* false, this argument will still be set, to the index of the
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* location where a new charset should be inserted.
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*
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* @return whether a charset parameter was found. This can be false even in
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* cases when parseContentType would claim to have a charset, if the type
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* that won out does not have a charset parameter specified.
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*/
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boolean extractCharsetFromContentType(in AUTF8String aTypeHeader,
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out AUTF8String aCharset,
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out long aCharsetStart,
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out long aCharsetEnd);
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/**
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* Parse an attribute referrer policy string (no-referrer, origin, unsafe-url)
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* and return the according integer code (defined in nsIHttpChannel.idl)
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*
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* @param aPolicyString
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* the policy string given as attribute
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* @return aPolicyEnum
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* referrer policy code from nsIHttpChannel.idl, (see parser in
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* ReferrerPolicy.h for details)
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*/
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unsigned long parseAttributePolicyString(in AString aPolicyString);
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/**
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* Convert referrer policy integer code (defined in nsIHttpChannel.idl) to
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* string.
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*
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* @param aPolicy
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* the policy integer code (defined in nsIHttpChannel.idl)
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* @return aPolicyString
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* referrer policy string from code
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*/
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ACString getReferrerPolicyString(in unsigned long aPolicy);
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/**
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* This is a void method that is C++ implemented and always
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* returns NS_ERROR_NOT_IMPLEMENTED. To be used for testing.
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*/
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void notImplemented();
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};
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