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/** Interface for MIME parsing classes
Copyright (C) 2000-2016 Free Software Foundation, Inc.
Written by: Richard Frith-Macdonald <rfm@gnu.org>
Date: October 2000
This file is part of the GNUstep Base Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02111 USA.
AutogsdocSource: Additions/GSMime.m
*/
#ifndef __GSMime_h_GNUSTEP_BASE_INCLUDE
#define __GSMime_h_GNUSTEP_BASE_INCLUDE
#import <GNUstepBase/GSVersionMacros.h>
#if OS_API_VERSION(GS_API_NONE,GS_API_LATEST)
#ifdef NeXT_Foundation_LIBRARY
#import <Foundation/Foundation.h>
#else
#import <Foundation/NSObject.h>
#import <Foundation/NSString.h>
#import <Foundation/NSMapTable.h>
#endif
#if defined(__cplusplus)
extern "C" {
#endif
@class NSArray;
@class NSMutableArray;
@class NSData;
@class NSMutableData;
@class NSDictionary;
@class NSMutableDictionary;
@class NSScanner;
/*
* A trivial class for mantaining state while decoding/encoding data.
* Each encoding type requires its own subclass.
*/
@interface GSMimeCodingContext : NSObject
{
BOOL atEnd; /* Flag to say that data has ended. */
}
- (BOOL) atEnd;
- (BOOL) decodeData: (const void*)sData
length: (NSUInteger)length
intoData: (NSMutableData*)dData;
- (void) setAtEnd: (BOOL)flag;
@end
@interface GSMimeHeader : NSObject <NSCopying>
{
#if GS_EXPOSE(GSMimeHeader)
NSString *name;
NSString *lower;
NSString *value;
NSMutableDictionary *objects;
NSMutableDictionary *params;
#endif
#if GS_NONFRAGILE
#else
/* Pointer to private additional data used to avoid breaking ABI
* when we don't have the non-fragile ABI available.
* Use this mechanism rather than changing the instance variable
* layout (see Source/GSInternal.h for details).
*/
@private id _internal GS_UNUSED_IVAR;
#endif
}
+ (GSMimeHeader*) headerWithName: (NSString*)n
value: (NSString*)v
parameters: (NSDictionary*)p;
+ (NSString*) makeQuoted: (NSString*)v always: (BOOL)flag;
+ (NSString*) makeToken: (NSString*)t preservingCase: (BOOL)preserve;
+ (NSString*) makeToken: (NSString*)t;
- (id) copyWithZone: (NSZone*)z;
/** How big this header might be when represented as raw MIME data.
*/
- (NSUInteger) estimatedSize;
- (NSString*) fullValue;
- (id) initWithName: (NSString*)n
value: (NSString*)v;
- (id) initWithName: (NSString*)n
value: (NSString*)v
parameters: (NSDictionary*)p;
- (NSString*) name;
- (NSString*) namePreservingCase: (BOOL)preserve;
- (id) objectForKey: (NSString*)k;
- (NSDictionary*) objects;
- (NSString*) parameterForKey: (NSString*)k;
- (NSDictionary*) parameters;
- (NSDictionary*) parametersPreservingCase: (BOOL)preserve;
- (NSMutableData*) rawMimeData;
- (NSMutableData*) rawMimeDataPreservingCase: (BOOL)preserve;
- (NSMutableData*) rawMimeDataPreservingCase: (BOOL)preserve
foldedAt: (NSUInteger)fold;
- (void) rawMimeDataPreservingCase: (BOOL)preserve
foldedAt: (NSUInteger)fold
to: (NSMutableData*)md;
- (void) setObject: (id)o forKey: (NSString*)k;
- (void) setParameter: (NSString*)v forKey: (NSString*)k;
- (void) setParameters: (NSDictionary*)d;
- (void) setValue: (NSString*)s;
- (NSString*) text;
- (NSString*) value;
@end
@interface GSMimeDocument : NSObject <NSCopying>
{
#if GS_EXPOSE(GSMimeDocument)
NSMutableArray *headers;
id content;
#endif
#if !GS_NONFRAGILE
void *_unused;
#endif
}
+ (NSString*) charsetFromEncoding: (NSStringEncoding)enc;
/**
* Decode the source data from base64 encoding and return the result.<br />
* The source data is expected to be ASCII text and may be multiple
* lines or a line of any length (decoding is very tolerant).
*/
+ (NSData*) decodeBase64: (NSData*)source;
+ (NSString*) decodeBase64String: (NSString*)source;
+ (GSMimeDocument*) documentWithContent: (id)newContent
type: (NSString*)type
name: (NSString*)name;
/**
* Encode the source data to base64 encoding and return the result.<br />
* The resulting data is ASCII text and contains only the base64 encoded
* values with no line breaks or extraneous data. This is base64 encoded
* data in it's general format as mandated in RFC 3548. If the data is
* to be used as part of a MIME document body, line breaks must be
* introduced at 76 byte intervals (GSMime does this when automatically
* encoding data for you). If the data is to be used in a PEM document
* line breaks must be introduced at 74 byte intervals.
*/
+ (NSData*) encodeBase64: (NSData*)source;
+ (NSString*) encodeBase64String: (NSString*)source;
+ (NSStringEncoding) encodingFromCharset: (NSString*)charset;
- (void) addContent: (id)newContent;
- (void) addHeader: (GSMimeHeader*)info;
- (GSMimeHeader*) addHeader: (NSString*)name
value: (NSString*)value
parameters: (NSDictionary*)parameters;
- (NSArray*) allHeaders;
- (id) content;
- (id) contentByID: (NSString*)key;
- (id) contentByLocation: (NSString*)key;
- (id) contentByName: (NSString*)key;
- (id) copyWithZone: (NSZone*)z;
- (NSString*) contentFile;
- (NSString*) contentID;
- (NSString*) contentLocation;
- (NSString*) contentName;
- (NSString*) contentSubtype;
- (NSString*) contentType;
- (NSArray*) contentsByName: (NSString*)key;
- (void) convertTo7BitSafe;
- (void) convertToBase64; // DEPRECATED ... use convertTo7BitSafe
- (void) convertToBinary;
- (NSData*) convertToData;
- (NSString*) convertToText;
- (void) deleteContent: (GSMimeDocument*)aPart;
- (void) deleteHeader: (GSMimeHeader*)aHeader;
- (void) deleteHeaderNamed: (NSString*)name;
/** How big this document might be when represented as raw MIME data.
*/
- (NSUInteger) estimatedSize;
- (GSMimeHeader*) headerNamed: (NSString*)name;
- (NSArray*) headersNamed: (NSString*)name;
- (NSString*) makeBoundary;
- (GSMimeHeader*) makeContentID;
- (GSMimeHeader*) makeHeader: (NSString*)name
value: (NSString*)value
parameters: (NSDictionary*)parameters;
- (GSMimeHeader*) makeMessageID;
- (NSMutableData*) rawMimeData;
- (NSMutableData*) rawMimeData: (BOOL)isOuter;
- (NSMutableData*) rawMimeData: (BOOL)isOuter foldedAt: (NSUInteger)fold;
- (void) setContent: (id)newContent;
- (void) setContent: (id)newContent
type: (NSString*)type;
- (void) setContent: (id)newContent
type: (NSString*)type
name: (NSString*)name;
- (void) setContentType: (NSString*)newType;
- (void) setHeader: (GSMimeHeader*)info;
- (GSMimeHeader*) setHeader: (NSString*)name
value: (NSString*)value
parameters: (NSDictionary*)parameters;
@end
@interface GSMimeParser : NSObject
{
#if GS_EXPOSE(GSMimeParser)
NSMutableData *data;
unsigned char *bytes;
unsigned dataEnd;
unsigned sectionStart;
unsigned lineStart;
unsigned lineEnd;
unsigned input;
/* During header parsing, we use this field to count white space we are
* expecting to have after an encoded word.
* During bnody parsing, we use the field to count expected content bytes.
*/
unsigned expect;
unsigned rawBodyLength;
struct {
unsigned int inBody:1;
unsigned int isHttp:1;
unsigned int complete:1;
unsigned int hadErrors:1;
unsigned int buggyQuotes:1;
unsigned int wantEndOfLine:1;
unsigned int excessData:1;
unsigned int headersOnly:1;
unsigned int encodedWord:1;
} flags;
NSData *boundary; // Also overloaded to hold excess
GSMimeDocument *document;
GSMimeParser *child;
GSMimeCodingContext *context;
NSStringEncoding _defaultEncoding;
#endif
#if !GS_NONFRAGILE
void *_unused;
#endif
}
+ (GSMimeDocument*) documentFromData: (NSData*)mimeData;
+ (GSMimeParser*) mimeParser;
- (GSMimeCodingContext*) contextFor: (GSMimeHeader*)info;
- (NSMutableData*) data;
- (BOOL) decodeData: (NSData*)sData
fromRange: (NSRange)aRange
intoData: (NSMutableData*)dData
withContext: (GSMimeCodingContext*)con;
- (NSData*) excess;
- (void) expectNoHeaders;
- (BOOL) isComplete;
- (BOOL) isHttp;
- (BOOL) isInBody;
- (BOOL) isInHeaders;
- (GSMimeDocument*) mimeDocument;
- (BOOL) parse: (NSData*)d;
/** Parses headers from the supplied data returning YES if more data is
* needed before the end of thge headers are reached.<br />
* If body is not NULL and the end of the headers were reached leaving
* some unused data, that remaining data is returned.<br />
* NB. The returned data is a reference to part of the original memory
* buffer provided in d, so you must copy it if you intend to use it after
* modifying or deallocating the original data.
*/
- (BOOL) parseHeaders: (NSData*)d remaining: (NSData**)body;
- (BOOL) parseHeader: (NSString*)aHeader;
- (BOOL) scanHeaderBody: (NSScanner*)scanner into: (GSMimeHeader*)info;
- (NSString*) scanName: (NSScanner*)scanner;
- (BOOL) scanPastSpace: (NSScanner*)scanner;
- (NSString*) scanSpecial: (NSScanner*)scanner;
- (NSString*) scanToken: (NSScanner*)scanner;
- (void) setBuggyQuotes: (BOOL)flag;
- (void) setDefaultCharset: (NSString*)aName;
- (void) setHeadersOnly;
- (void) setIsHttp;
@end
/** Instances of the GSMimeSerializer class are used to serialise
* GSMimeDocument objects to NSMutableData objects, producing data
* in a form suitable for sending as an Email over the SMTP protocol
* or in other forms.
*/
@interface GSMimeSerializer : NSObject <NSCopying>
{
NSUInteger foldAt; /** Fold long lines at this position */
BOOL use8bit; /** Output does not need to be 7bit-safe */
NSString *dataEncoding; /** To make 8bit data 7bit-safe */
NSString *textEncoding; /** To make 8bit text 7bit-safe */
}
/** Returns an autorelease GSMimeSerializer configured for transfer
* over binary safe protocols with unliumited line lenth).
*/
+ (GSMimeSerializer*) binarySerializer;
/** Returns an autorelease GSMimeSerializer configured for Email
* to be sent as 7bit data over SMTP.
*/
+ (GSMimeSerializer*) smtp7bitSerializer;
/** Returns a copy of the receiver.
*/
- (id) copyWithZone: (NSZone*)aZone;
/** Returns the default content transfer encoding used when 8bit data needs
* to be made 7bit safe. This is base64 by default.
*/
- (NSString*) dataEncoding;
/** Encodes the document and returns the resulting raw mime data.
*/
- (NSMutableData*) encodeDocument: (GSMimeDocument*)document;
/** Appends a document part to the supplied data object.
*/
- (void) encodePart: (GSMimeDocument*)document to: (NSMutableData*)md;
/** Returns the maximum line length (excluding the trailing CRLF) to which
* we will encode data. See also the -setFoldAt: method.
*/
- (NSUInteger) foldAt;
/** This method allows you to control the position at which lines in
* headers and the body data are wrapped.<br />
* RFC 2822 says that the absolute maximum (except for 'binary' content
* transfer encoding) is 998 (excluding CRLF), but the recommended
* maximum is 78 so we use that by default.<br />
* Setting any ridiculously short value (less than 20) or an excessively
* long value (greater than the 998 character limit supported by SMTP)
* actually sets a value of zero, meaning that there is no limit.
*/
- (void) setFoldAt: (NSUInteger)position;
/** Sets the content transfer encoding used when 8bit data needs to be sent
* in a 7bit safe form.<br />
* Setting a nil/empty encoding reverts to the default (base64).<br />
* Setting an unknown/inapplicable encoding raises an exception.
*/
- (void) setDataEncoding: (NSString*)encoding;
/** Sets the content transfer encoding used when 8bit text needs to be sent
* in a 7bit safe form.<br />
* Setting a nil/empty encoding reverts to the default (quoted-printable).<br />
* Setting an unknown/inapplicable encoding raises an exception.
*/
- (void) setTextEncoding: (NSString*)encoding;
/** Sets whether we will allow 8bit data in the output.<br />
* The default is NO (because 8bit data breaks some mail transfer agents).
*/
- (void) setUse8bit: (BOOL)aFlag;
/** Returns the default content transfer encoding used when 8bit text needs
* to be made 7bit safe. This is quoted-printable by default.
*/
- (NSString*) textEncoding;
/** Returns YES is we will allow 8bit data in the output, NO if we encode
* everything in a 7bit safe form.
*/
- (BOOL) use8bit;
@end
/** The error domain for the GSMime system.
*/
GS_EXPORT NSString* const GSMimeErrorDomain;
/** The error codes used in the GSMimeErrorDomain
*/
typedef enum {
GSMimeSMTPAbort,
GSMimeSMTPTimeout,
GSMimeSMTPCommsEnd,
GSMimeSMTPCommsError,
GSMimeSMTPServerResponse
} GSMimeErrorCode;
@class NSError;
@class NSStream;
@class NSTimer;
/** The GSMimeSMTPClient class provides the ability to send EMails
* ([GSMimeDocument] instances) via an SMTP server.
*/
@interface GSMimeSMTPClient : NSObject
{
#if GS_NONFRAGILE
# if defined(GS_GSMimeSMTPClient_IVARS)
@public
GS_GSMimeSMTPClient_IVARS;
# endif
#else
@private id _internal;
#endif
}
/** Shut down any message send in progress and abort any queued messages.
*/
- (void) abort;
/** Returns the current delegate.
*/
- (id) delegate;
/** Tries to flush any queued messages to the SMTP server, completing by the
* specified limit date.<br />
* If limit is nil then a date in the distant future is used.<br />
* If the queue is emptied in time, this method returns YES, otherwise it
* returns NO.
*/
- (BOOL) flush: (NSDate*)limit;
/** Returns the last error encountered, or nil if there is none recorded.
*/
- (NSError*) lastError;
/** Add the message to the queue of emails to be sent by the receiver.
*/
- (void) send: (GSMimeDocument*)message;
/** Add the message to the queue of emails to be sent by the receiver.<br />
* Also adds an envelope ID string to be used to uniquely identify the
* message for delivery receipting purposes.<br />
* For this to work, the SMTP gateway being used must support the SMTP
* service extension for delivery status notification (RFC 3460).
*/
- (void) send: (GSMimeDocument*)message envelopeID: (NSString*)envid;
/** Set the delegate to receive callback methods indicating when a message
* is sent, failed, or removed from the queue unsent.
*/
- (void) setDelegate: (id)d;
/** Set the host for the SMTP server. If this is not set (or is set to nil)
* then the GSMimeSMTPClientHost user default is used. If the host is nil
* or an empty string then 'localhost' is used.
*/
- (void) setHostname: (NSString*)s;
/** Set the host for the SMTP client to identify itsself to the server.
* If this is not set (or is set to nil) then the GSMimeSMTPClientIdentity
* user default is used. If the identity is nil or an empty string then
* a name of the current host is use.
*/
- (void) setIdentity: (NSString*)s;
/** Set the originator for any emails sent by the SMTP client.<br />
* This overrides the value in the 'from' header of an email.<br />
* If this is not set (or is set to nil) then the GSMimeSMTPClientOriginator
* user default is used. If the originator is nil or an empty string then
* the value in the 'from' header of the email is used.
*/
- (void) setOriginator: (NSString*)s;
/** Set the port for the SMTP server. If this is not set (or is set to nil)
* then the GSMimeSMTPClientPort user default is used. If the port is not an
* integer in the 1-65535 range, then '25' (the default SMTP port) is used.
*/
- (void) setPort: (NSString*)s;
/** Set the username for authentication to the SMTP server.
* If this is not set (or is set to nil) then the GSMimeSMTPClientUsername
* user default is used. If the username is nil or an empty string then
* authentication is not attempted.
*/
- (void) setUsername: (NSString*)s;
/** returns the receivers current state.
*/
- (int) state;
/** Returns a string describing the receiver's current state
*/
- (NSString*) stateDesc;
@end
/** Informal protocol for delegates of the GSMimeSMTPClient class.
* The default implementations of these methods do nothing.
*/
@interface NSObject (GSMimeSMTPClient)
- (void) smtpClient: (GSMimeSMTPClient*)client
mimeFailed: (GSMimeDocument*)doc; /* Failed to send */
- (void) smtpClient: (GSMimeSMTPClient*)client
mimeSent: (GSMimeDocument*)doc; /* Sent successfully */
- (void) smtpClient: (GSMimeSMTPClient*)client
mimeUnsent: (GSMimeDocument*)doc; /* Aborted (not sent) */
@end
#if defined(__cplusplus)
}
#endif
#endif /* OS_API_VERSION(GS_API_NONE,GS_API_NONE) */
#endif /* __GSMime_h_GNUSTEP_BASE_INCLUDE */
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