/usr/share/idl/thunderbird/nsINetUtil.idl is in thunderbird-dev 1:52.7.0+build1-0ubuntu1.
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsISupports.idl"
interface nsIURI;
interface nsIPrefBranch;
/**
* nsINetUtil provides various network-related utility methods.
*/
[scriptable, uuid(fe2625ec-b884-4df1-b39c-9e830e47aa94)]
interface nsINetUtil : nsISupports
{
/**
* Parse a Content-Type header value in strict mode. This is a more
* conservative parser that reject things that violate RFC 7231 section
* 3.1.1.1. This is typically useful for parsing Content-Type header values
* that are used for HTTP requests, and those that are used to make security
* decisions.
*
* @param aTypeHeader the header string to parse
* @param [out] aCharset the charset parameter specified in the
* header, if any.
* @param [out] aHadCharset whether a charset was explicitly specified.
* @return the MIME type specified in the header, in lower-case.
*/
AUTF8String parseRequestContentType(in AUTF8String aTypeHeader,
out AUTF8String aCharset,
out boolean aHadCharset);
/**
* Parse a Content-Type header value in relaxed mode. This is a more
* permissive parser that ignores things that go against RFC 7231 section
* 3.1.1.1. This is typically useful for parsing Content-Type header values
* received from web servers where we want to make a best effort attempt
* at extracting a useful MIME type and charset.
*
* NOTE: DO NOT USE THIS if you're going to make security decisions
* based on the result.
*
* @param aTypeHeader the header string to parse
* @param [out] aCharset the charset parameter specified in the
* header, if any.
* @param [out] aHadCharset whether a charset was explicitly specified.
* @return the MIME type specified in the header, in lower-case.
*/
AUTF8String parseResponseContentType(in AUTF8String aTypeHeader,
out AUTF8String aCharset,
out boolean aHadCharset);
/**
* Test whether the given URI's handler has the given protocol flags.
*
* @param aURI the URI in question
* @param aFlags the flags we're testing for.
*
* @return whether the protocol handler for aURI has all the flags
* in aFlags.
*/
boolean protocolHasFlags(in nsIURI aURI, in unsigned long aFlag);
/**
* Test whether the protocol handler for this URI or that for any of
* its inner URIs has the given protocol flags. This will QI aURI to
* nsINestedURI and walk the nested URI chain.
*
* @param aURI the URI in question
* @param aFlags the flags we're testing for.
*
* @return whether any of the protocol handlers involved have all the flags
* in aFlags.
*/
boolean URIChainHasFlags(in nsIURI aURI, in unsigned long aFlags);
/**
* Take aURI and produce an immutable version of it for the caller. If aURI
* is immutable this will be aURI itself; otherwise this will be a clone,
* marked immutable if possible. Passing null to this method is allowed; in
* that case it will return null.
*/
nsIURI toImmutableURI(in nsIURI aURI);
/**
* Create a simple nested URI using the result of
* toImmutableURI on the passed-in aURI which may not be null.
* Note: The return URI will not have had its spec set yet.
*/
nsIURI newSimpleNestedURI(in nsIURI aURI);
/** Escape every character with its %XX-escaped equivalent */
const unsigned long ESCAPE_ALL = 0;
/** Leave alphanumeric characters intact and %XX-escape all others */
const unsigned long ESCAPE_XALPHAS = 1;
/** Leave alphanumeric characters intact, convert spaces to '+',
%XX-escape all others */
const unsigned long ESCAPE_XPALPHAS = 2;
/** Leave alphanumeric characters and forward slashes intact,
%XX-escape all others */
const unsigned long ESCAPE_URL_PATH = 4;
/**
* escape a string with %00-style escaping
*/
ACString escapeString(in ACString aString, in unsigned long aEscapeType);
/** %XX-escape URL scheme */
const unsigned long ESCAPE_URL_SCHEME = 1;
/** %XX-escape username in the URL */
const unsigned long ESCAPE_URL_USERNAME = 1 << 1;
/** %XX-escape password in the URL */
const unsigned long ESCAPE_URL_PASSWORD = 1 << 2;
/** %XX-escape URL host */
const unsigned long ESCAPE_URL_HOST = 1 << 3;
/** %XX-escape URL directory */
const unsigned long ESCAPE_URL_DIRECTORY = 1 << 4;
/** %XX-escape file basename in the URL */
const unsigned long ESCAPE_URL_FILE_BASENAME = 1 << 5;
/** %XX-escape file extension in the URL */
const unsigned long ESCAPE_URL_FILE_EXTENSION = 1 << 6;
/** %XX-escape URL parameters */
const unsigned long ESCAPE_URL_PARAM = 1 << 7;
/** %XX-escape URL query */
const unsigned long ESCAPE_URL_QUERY = 1 << 8;
/** %XX-escape URL ref */
const unsigned long ESCAPE_URL_REF = 1 << 9;
/** %XX-escape URL path - same as escaping directory, basename and extension */
const unsigned long ESCAPE_URL_FILEPATH =
ESCAPE_URL_DIRECTORY | ESCAPE_URL_FILE_BASENAME | ESCAPE_URL_FILE_EXTENSION;
/** %XX-escape scheme, username, password, host, path, params, query and ref */
const unsigned long ESCAPE_URL_MINIMAL =
ESCAPE_URL_SCHEME | ESCAPE_URL_USERNAME | ESCAPE_URL_PASSWORD |
ESCAPE_URL_HOST | ESCAPE_URL_FILEPATH | ESCAPE_URL_PARAM |
ESCAPE_URL_QUERY | ESCAPE_URL_REF;
/** Force %XX-escaping of already escaped sequences */
const unsigned long ESCAPE_URL_FORCED = 1 << 10;
/** Skip non-ascii octets, %XX-escape all others */
const unsigned long ESCAPE_URL_ONLY_ASCII = 1 << 11;
/**
* Skip graphic octets (0x20-0x7E) when escaping
* Skips all ASCII octets (0x00-0x7F) when unescaping
*/
const unsigned long ESCAPE_URL_ONLY_NONASCII = 1 << 12;
/** Force %XX-escape of colon */
const unsigned long ESCAPE_URL_COLON = 1 << 14;
/** Skip C0 and DEL from unescaping */
const unsigned long ESCAPE_URL_SKIP_CONTROL = 1 << 15;
/**
* %XX-Escape invalid chars in a URL segment.
*
* @param aStr the URL to be escaped
* @param aFlags the URL segment type flags
*
* @return the escaped string (the string itself if escaping did not happen)
*
*/
ACString escapeURL(in ACString aStr, in unsigned long aFlags);
/**
* Expands URL escape sequences
*
* @param aStr the URL to be unescaped
* @param aFlags only ESCAPE_URL_ONLY_NONASCII and ESCAPE_URL_SKIP_CONTROL
* are recognized. If |aFlags| is 0 all escape sequences are
* unescaped
* @return unescaped string
*/
ACString unescapeString(in AUTF8String aStr, in unsigned long aFlags);
/**
* Extract the charset parameter location and value from a content-type
* header.
*
* @param aTypeHeader the header string to parse
* @param [out] aCharset the charset parameter specified in the
* header, if any.
* @param [out] aCharsetStart index of the start of the charset parameter
* (the ';' separating it from what came before) in aTypeHeader.
* If this function returns false, this argument will still be
* set, to the index of the location where a new charset should
* be inserted.
* @param [out] aCharsetEnd index of the end of the charset parameter (the
* ';' separating it from what comes after, or the end
* of the string) in aTypeHeader. If this function returns
* false, this argument will still be set, to the index of the
* location where a new charset should be inserted.
*
* @return whether a charset parameter was found. This can be false even in
* cases when parseContentType would claim to have a charset, if the type
* that won out does not have a charset parameter specified.
*/
boolean extractCharsetFromContentType(in AUTF8String aTypeHeader,
out AUTF8String aCharset,
out long aCharsetStart,
out long aCharsetEnd);
/**
* Parse an attribute referrer policy string (no-referrer, origin, unsafe-url)
* and return the according integer code (defined in nsIHttpChannel.idl)
*
* @param aPolicyString
* the policy string given as attribute
* @return aPolicyEnum
* referrer policy code from nsIHttpChannel.idl, (see parser in
* ReferrerPolicy.h for details)
*/
unsigned long parseAttributePolicyString(in AString aPolicyString);
};
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