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sogo/SoObjects/SOGo/SOGoSieveManager.m

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/* SOGoSieveManager.m - this file is part of SOGo
*
* Copyright (C) 2010-2014 Inverse inc.
*
* Author: Inverse <info@inverse.ca>
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This file 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#import <Foundation/NSArray.h>
#import <Foundation/NSDictionary.h>
#import <Foundation/NSString.h>
#import <Foundation/NSURL.h>
#import <Foundation/NSValue.h>
#import <SOGo/NSArray+Utilities.h>
#import <SOGo/NSDictionary+Utilities.h>
#import <SOGo/SOGoDomainDefaults.h>
#import <SOGo/SOGoUser.h>
#import <NGStreams/NGInternetSocketAddress.h>
#import <NGImap4/NGSieveClient.h>
#import "../Mailer/SOGoMailAccount.h"
#import "SOGoSieveManager.h"
typedef enum {
UIxFilterFieldTypeAddress,
UIxFilterFieldTypeHeader,
UIxFilterFieldTypeBody,
UIxFilterFieldTypeSize,
} UIxFilterFieldType;
static NSArray *sieveOperators = nil;
static NSArray *sieveSizeOperators = nil;
static NSMutableDictionary *fieldTypes = nil;
static NSDictionary *sieveFields = nil;
static NSDictionary *sieveFlags = nil;
static NSDictionary *typeRequirements = nil;
static NSDictionary *operatorRequirements = nil;
static NSMutableDictionary *methodRequirements = nil;
static NSString *sieveScriptName = @"sogo";
@interface NSString (SOGoSieveExtension)
- (NSString *) asSieveQuotedString;
@end
@implementation NSString (SOGoSieveExtension)
- (NSString *) _asSingleLineSieveQuotedString
{
NSString *escapedString;
escapedString = [[self stringByReplacingString: @"\\"
withString: @"\\\\"]
stringByReplacingString: @"\""
withString: @"\\\""];
return [NSString stringWithFormat: @"\"%@\"", escapedString];
}
- (NSString *) _asMultiLineSieveQuotedString
{
NSArray *lines;
NSMutableArray *newLines;
NSString *line, *newText;
int count, max;
lines = [self componentsSeparatedByString: @"\n"];
max = [lines count];
newLines = [NSMutableArray arrayWithCapacity: max];
for (count = 0; count < max; count++)
{
line = [lines objectAtIndex: count];
if ([line length] > 0 && [line characterAtIndex: 0] == '.')
[newLines addObject: [NSString stringWithFormat: @".%@", line]];
else
[newLines addObject: line];
}
newText = [NSString stringWithFormat: @"text:\r\n%@\r\n.\r\n",
[newLines componentsJoinedByString: @"\n"]];
return newText;
}
- (NSString *) asSieveQuotedString
{
NSRange nlRange;
nlRange = [self rangeOfString: @"\n"];
return ((nlRange.length > 0)
? [self _asMultiLineSieveQuotedString]
: [self _asSingleLineSieveQuotedString]);
}
@end
@implementation SOGoSieveManager
+ (void) initialize
{
NSArray *fields;
if (!sieveOperators)
{
sieveOperators = [NSArray arrayWithObjects: @"is", @"contains",
@"matches", @"regex",
@"over", @"under", nil];
[sieveOperators retain];
}
if (!sieveSizeOperators)
{
sieveSizeOperators = [NSArray arrayWithObjects: @"over", @"under", nil];
[sieveSizeOperators retain];
}
if (!fieldTypes)
{
fieldTypes = [NSMutableDictionary new];
fields = [NSArray arrayWithObjects: @"to", @"cc", @"to_or_cc", @"from",
nil];
[fieldTypes setObject: [NSNumber numberWithInt: UIxFilterFieldTypeAddress]
forKeys: fields];
fields = [NSArray arrayWithObjects: @"header", @"subject", nil];
[fieldTypes setObject: [NSNumber numberWithInt: UIxFilterFieldTypeHeader]
forKeys: fields];
[fieldTypes setObject: [NSNumber numberWithInt: UIxFilterFieldTypeBody]
forKey: @"body"];
[fieldTypes setObject: [NSNumber numberWithInt: UIxFilterFieldTypeSize]
forKey: @"size"];
}
if (!sieveFields)
{
sieveFields
= [NSDictionary dictionaryWithObjectsAndKeys:
@"\"to\"", @"to",
@"\"cc\"", @"cc",
@"[\"to\", \"cc\"]", @"to_or_cc",
@"\"from\"", @"from",
@"\"subject\"", @"subject",
nil];
[sieveFields retain];
}
if (!sieveFlags)
{
sieveFlags
= [NSDictionary dictionaryWithObjectsAndKeys:
@"\\Answered", @"answered",
@"\\Deleted", @"deleted",
@"\\Draft", @"draft",
@"\\Flagged", @"flagged",
@"Junk", @"junk",
@"NotJunk", @"not_junk",
@"\\Seen", @"seen",
nil];
[sieveFlags retain];
}
if (!typeRequirements)
{
typeRequirements
= [NSDictionary dictionaryWithObjectsAndKeys:
@"body", [NSNumber numberWithInt: UIxFilterFieldTypeBody],
nil];
[typeRequirements retain];
}
if (!operatorRequirements)
{
operatorRequirements
= [NSDictionary dictionaryWithObjectsAndKeys:
@"regex", @"regex",
nil];
[operatorRequirements retain];
}
if (!methodRequirements)
{
methodRequirements
= [NSMutableDictionary dictionaryWithObjectsAndKeys:
@"imapflags", @"addflag",
@"imapflags", @"removeflag",
@"imapflags", @"flag",
@"vacation", @"vacation",
@"notify", @"notify",
@"fileinto", @"fileinto",
@"reject", @"reject",
@"regex", @"regex",
nil];
[methodRequirements retain];
}
}
+ (id) sieveManagerForUser: (SOGoUser *) newUser
{
SOGoSieveManager *newManager;
newManager = [[self alloc] initForUser: newUser];
[newManager autorelease];
return newManager;
}
- (id) init
{
if ((self = [super init]))
{
user = nil;
requirements = nil;
scriptError = nil;
}
return self;
}
- (id) initForUser: (SOGoUser *) newUser
{
if ((self = [self init]))
{
ASSIGN (user, newUser);
}
return self;
}
- (void) dealloc
{
[user release];
[requirements release];
[scriptError release];
[super dealloc];
}
- (BOOL) _saveFilters
{
return YES;
}
- (BOOL) _extractRuleField: (NSString **) field
fromRule: (NSDictionary *) rule
andType: (UIxFilterFieldType *) type
{
NSNumber *fieldType;
NSString *jsonField, *customHeader, *requirement;
jsonField = [rule objectForKey: @"field"];
if (jsonField)
{
fieldType = [fieldTypes objectForKey: jsonField];
if (fieldType)
{
*type = [fieldType intValue];
if ([jsonField isEqualToString: @"header"])
{
customHeader = [rule objectForKey: @"custom_header"];
if ([customHeader length])
*field = [customHeader asSieveQuotedString];
else
scriptError = (@"Pseudo-header field 'header' without"
@" 'custom_header' parameter.");
}
else if ([jsonField isEqualToString: @"body"] ||
[jsonField isEqualToString: @"size"])
*field = nil;
else
*field = [sieveFields objectForKey: jsonField];
requirement = [typeRequirements objectForKey: fieldType];
if (requirement)
[requirements addObjectUniquely: requirement];
}
else
scriptError
= [NSString stringWithFormat: @"Rule based on unknown field '%@'",
jsonField];
}
else
scriptError = @"Rule without any specified field.";
return (scriptError == nil);
}
- (BOOL) _extractRuleOperator: (NSString **) operator
fromRule: (NSDictionary *) rule
isNot: (BOOL *) isNot
{
NSString *jsonOperator, *baseOperator, *requirement;
int baseLength;
jsonOperator = [rule objectForKey: @"operator"];
if (jsonOperator)
{
*isNot = [jsonOperator hasSuffix: @"_not"];
if (*isNot)
{
baseLength = [jsonOperator length] - 4;
baseOperator
= [jsonOperator substringWithRange: NSMakeRange (0, baseLength)];
}
else
baseOperator = jsonOperator;
if ([sieveOperators containsObject: baseOperator])
{
requirement = [operatorRequirements objectForKey: baseOperator];
if (requirement)
[requirements addObjectUniquely: requirement];
*operator = baseOperator;
}
else
scriptError = [NSString stringWithFormat:
@"Rule has unknown operator '%@'",
baseOperator];
}
else
scriptError = @"Rule without any specified operator";
return (scriptError == nil);
}
- (BOOL) _validateRuleOperator: (NSString *) operator
withFieldType: (UIxFilterFieldType) type
{
BOOL rc;
if (type == UIxFilterFieldTypeSize)
rc = [sieveSizeOperators containsObject: operator];
else
// Header and Body types
rc = (![sieveSizeOperators containsObject: operator]
&& [sieveOperators containsObject: operator]);
return rc;
}
- (BOOL) _extractRuleValue: (NSString **) value
fromRule: (NSDictionary *) rule
withFieldType: (UIxFilterFieldType) type
{
NSString *extractedValue;
extractedValue = [rule objectForKey: @"value"];
if (extractedValue)
{
if (type == UIxFilterFieldTypeSize)
*value = [NSString stringWithFormat: @"%d",
[extractedValue intValue]];
else
*value = [extractedValue asSieveQuotedString];
}
else
scriptError = @"Rule lacks a 'value' parameter";
return (scriptError == nil);
}
- (NSString *) _composeSieveRuleOnField: (NSString *) field
withType: (UIxFilterFieldType) type
operator: (NSString *) operator
revert: (BOOL) revert
andValue: (NSString *) value
{
NSMutableString *sieveRule;
sieveRule = [NSMutableString stringWithCapacity: 100];
if (revert)
[sieveRule appendString: @"not "];
if (type == UIxFilterFieldTypeAddress)
[sieveRule appendString: @"address "];
else if (type == UIxFilterFieldTypeHeader)
[sieveRule appendString: @"header "];
else if (type == UIxFilterFieldTypeBody)
[sieveRule appendString: @"body :text "];
else if (type == UIxFilterFieldTypeSize)
[sieveRule appendString: @"size "];
[sieveRule appendFormat: @":%@ ", operator];
if (type == UIxFilterFieldTypeSize)
[sieveRule appendFormat: @"%@K", value];
else if (field)
[sieveRule appendFormat: @"%@ %@", field, value];
else
[sieveRule appendFormat: @"%@", value];
return sieveRule;
}
- (NSString *) _extractSieveRule: (NSDictionary *) rule
{
NSString *field, *operator, *value;
UIxFilterFieldType type;
BOOL isNot;
return (([self _extractRuleField: &field fromRule: rule andType: &type]
&& [self _extractRuleOperator: &operator fromRule: rule
isNot: &isNot]
&& [self _validateRuleOperator: operator
withFieldType: type]
&& [self _extractRuleValue: &value fromRule: rule
withFieldType: type])
? [self _composeSieveRuleOnField: field
withType: type
operator: operator
revert: isNot
andValue: value]
: nil);
}
- (NSArray *) _extractSieveRules: (NSArray *) rules
{
NSMutableArray *sieveRules;
NSString *sieveRule;
int count, max;
max = [rules count];
if (max)
{
sieveRules = [NSMutableArray arrayWithCapacity: max];
for (count = 0; !scriptError && count < max; count++)
{
sieveRule = [self _extractSieveRule: [rules objectAtIndex: count]];
if (sieveRule)
[sieveRules addObject: sieveRule];
}
}
else
sieveRules = nil;
return sieveRules;
}
- (NSString *) _extractSieveAction: (NSDictionary *) action
{
NSString *sieveAction, *method, *requirement, *argument, *flag, *mailbox;
NSDictionary *mailLabels;
SOGoDomainDefaults *dd;
sieveAction = nil;
method = [action objectForKey: @"method"];
if (method)
{
argument = [action objectForKey: @"argument"];
if ([method isEqualToString: @"discard"]
|| [method isEqualToString: @"keep"]
|| [method isEqualToString: @"stop"])
sieveAction = method;
else
{
if (argument)
{
if ([method isEqualToString: @"addflag"])
{
flag = [sieveFlags objectForKey: argument];
if (!flag)
{
mailLabels = [[user userDefaults] mailLabelsColors];
if ([mailLabels objectForKey: argument])
flag = argument;
}
if (flag)
sieveAction = [NSString stringWithFormat: @"%@ %@",
method, [flag asSieveQuotedString]];
else
scriptError
= [NSString stringWithFormat:
@"Action with invalid flag argument '%@'",
argument];
}
else if ([method isEqualToString: @"fileinto"])
{
dd = [user domainDefaults];
mailbox
= [[argument componentsSeparatedByString: @"/"]
componentsJoinedByString: [dd imapFolderSeparator]];
sieveAction = [NSString stringWithFormat: @"%@ %@",
method, [mailbox asSieveQuotedString]];
}
else if ([method isEqualToString: @"redirect"])
sieveAction = [NSString stringWithFormat: @"%@ %@",
method, [argument asSieveQuotedString]];
else if ([method isEqualToString: @"reject"])
sieveAction = [NSString stringWithFormat: @"%@ %@",
method, [argument asSieveQuotedString]];
else
scriptError
= [NSString stringWithFormat: @"Action has unknown method '%@'",
method];
}
else
scriptError = @"Action missing 'argument' parameter";
}
if (method)
{
requirement = [methodRequirements objectForKey: method];
if (requirement)
[requirements addObjectUniquely: requirement];
}
}
else
scriptError = @"Action missing 'method' parameter";
return sieveAction;
}
- (NSArray *) _extractSieveActions: (NSArray *) actions
{
NSMutableArray *sieveActions;
NSString *sieveAction;
int count, max;
max = [actions count];
sieveActions = [NSMutableArray arrayWithCapacity: max];
for (count = 0; !scriptError && count < max; count++)
{
sieveAction = [self _extractSieveAction: [actions objectAtIndex: count]];
if (!scriptError)
[sieveActions addObject: sieveAction];
}
return sieveActions;
}
- (NSString *) _convertScriptToSieve: (NSDictionary *) newScript
{
NSMutableString *sieveText;
NSString *match;
NSArray *sieveRules, *sieveActions;
sieveText = [NSMutableString stringWithCapacity: 1024];
match = [newScript objectForKey: @"match"];
if ([match isEqualToString: @"allmessages"])
match = nil;
if (match)
{
if ([match isEqualToString: @"all"] || [match isEqualToString: @"any"])
{
sieveRules = [self _extractSieveRules: [newScript objectForKey: @"rules"]];
if (sieveRules)
[sieveText appendFormat: @"if %@of (%@) {\r\n",
match,
[sieveRules componentsJoinedByString: @", "]];
else
scriptError = [NSString stringWithFormat:
@"Test '%@' used without any"
@" specified rule",
match];
}
else
scriptError = [NSString stringWithFormat: @"Bad test: %@", match];
}
sieveActions = [self _extractSieveActions: [newScript objectForKey: @"actions"]];
if ([sieveActions count])
[sieveText appendFormat: @" %@;\r\n",
[sieveActions componentsJoinedByString: @";\r\n "]];
if (match)
[sieveText appendFormat: @"}\r\n"];
return sieveText;
}
- (NSString *) sieveScriptWithRequirements: (NSMutableArray *) newRequirements
{
NSMutableString *sieveScript;
NSString *sieveText;
NSArray *scripts;
int count, max;
NSDictionary *currentScript;
sieveScript = [NSMutableString string];
ASSIGN (requirements, newRequirements);
[scriptError release];
scriptError = nil;
scripts = [[user userDefaults] sieveFilters];
max = [scripts count];
if (max)
{
for (count = 0; !scriptError && count < max; count++)
{
currentScript = [scripts objectAtIndex: count];
if ([[currentScript objectForKey: @"active"] boolValue])
{
sieveText = [self _convertScriptToSieve: currentScript];
[sieveScript appendString: sieveText];
}
}
}
[scriptError retain];
[requirements release];
requirements = nil;
if (scriptError)
sieveScript = nil;
return sieveScript;
}
- (NSString *) lastScriptError
{
return scriptError;
}
//
//
//
- (NGSieveClient *) clientForAccount: (SOGoMailAccount *) theAccount
{
return [self clientForAccount: theAccount withUsername: nil andPassword: nil];
}
//
//
//
- (NGSieveClient *) clientForAccount: (SOGoMailAccount *) theAccount
withUsername: (NSString *) theUsername
andPassword: (NSString *) thePassword
{
NSDictionary *result;
NSString *login, *authname, *password;
SOGoDomainDefaults *dd;
NGSieveClient *client;
NSString *sieveServer, *sieveScheme, *sieveQuery, *imapServer;
NSURL *url, *cUrl;
int sievePort;
BOOL connected;
dd = [user domainDefaults];
connected = YES;
// Extract credentials from mail account
login = [[theAccount imap4URL] user];
if (!theUsername && !thePassword)
{
authname = [[theAccount imap4URL] user];
password = [theAccount imap4PasswordRenewed: NO];
}
else
{
authname = theUsername;
password = thePassword;
}
// We connect to our Sieve server and check capabilities, in order
// to generate the right script, based on capabilities
//
// sieveServer might have the following format:
//
// sieve://localhost
// sieve://localhost:2000
// sieve://localhost:2000/?tls=YES
//
// Values such as "localhost" or "localhost:2000" are NOT supported.
//
// We first try to get the user's preferred Sieve server
sieveServer = [[[user mailAccounts] objectAtIndex: 0] objectForKey: @"sieveServerName"];
imapServer = [[[user mailAccounts] objectAtIndex: 0] objectForKey: @"serverName"];
cUrl = [NSURL URLWithString: (sieveServer ? sieveServer : @"")];
if ([dd sieveServer] && [[dd sieveServer] length] > 0)
url = [NSURL URLWithString: [dd sieveServer]];
else
url = [NSURL URLWithString: @"localhost"];
if ([cUrl host])
sieveServer = [cUrl host];
if (!sieveServer && [url host])
sieveServer = [url host];
if (!sieveServer && [dd sieveServer])
sieveServer = [dd sieveServer];
if (!sieveServer && imapServer)
sieveServer = [[NSURL URLWithString: imapServer] host];
if (!sieveServer)
sieveServer = @"localhost";
sieveScheme = [cUrl scheme] ? [cUrl scheme] : [url scheme];
if (!sieveScheme)
sieveScheme = @"sieve";
if ([cUrl port])
sievePort = [[cUrl port] intValue];
else
if ([url port])
sievePort = [[url port] intValue];
else
sievePort = 2000;
sieveQuery = [cUrl query] ? [cUrl query] : [url query];
if (sieveQuery)
sieveQuery = [NSString stringWithFormat: @"/?%@", sieveQuery];
else
sieveQuery = @"";
url = [NSURL URLWithString: [NSString stringWithFormat: @"%@://%@:%d%@",
sieveScheme, sieveServer, sievePort, sieveQuery]];
client = [[NGSieveClient alloc] initWithURL: url];
if (!client) {
NSLog(@"Sieve connection failed on %@", [url description]);
return nil;
}
if (!password) {
[client closeConnection];
return nil;
}
NS_DURING
{
result = [client login: login authname: authname password: password];
}
NS_HANDLER
{
connected = NO;
}
NS_ENDHANDLER
if (!connected)
{
NSLog(@"Sieve connection failed on %@", [url description]);
return nil;
}
if (![[result valueForKey:@"result"] boolValue] && !theUsername && !thePassword) {
NSLog(@"failure. Attempting with a renewed password (no authname supported)");
password = [theAccount imap4PasswordRenewed: YES];
result = [client login: login password: password];
}
if (![[result valueForKey:@"result"] boolValue]) {
NSLog(@"Could not login '%@' on Sieve server: %@: %@",
login, client, result);
[client closeConnection];
return nil;
}
return [client autorelease];
}
//
//
//
- (BOOL) updateFiltersForAccount: (SOGoMailAccount *) theAccount
{
return [self updateFiltersForAccount: theAccount
withUsername: nil
andPassword: nil];
}
//
//
//
- (BOOL) updateFiltersForAccount: (SOGoMailAccount *) theAccount
withUsername: (NSString *) theUsername
andPassword: (NSString *) thePassword
{
NSMutableArray *req;
NSMutableString *script, *header;
NSDictionary *result, *values;
SOGoUserDefaults *ud;
SOGoDomainDefaults *dd;
NGSieveClient *client;
NSString *filterScript, *v;
BOOL b;
dd = [user domainDefaults];
if (!([dd sieveScriptsEnabled] || [dd vacationEnabled] || [dd forwardEnabled]))
return YES;
req = [NSMutableArray arrayWithCapacity: 15];
ud = [user userDefaults];
client = [self clientForAccount: theAccount withUsername: theUsername andPassword: thePassword];
if (!client)
return NO;
// We adjust the "methodRequirements" based on the server's
// capabilities. Cyrus exposes "imapflags" while Dovecot (and
// potentially others) expose "imap4flags" as specified in RFC5332
if ([client hasCapability: @"imap4flags"])
{
[methodRequirements setObject: @"imap4flags" forKey: @"addflag"];
[methodRequirements setObject: @"imap4flags" forKey: @"removeflag"];
[methodRequirements setObject: @"imap4flags" forKey: @"flag"];
}
//
// Now let's generate the script
//
script = [NSMutableString string];
// We first handle filters
filterScript = [self sieveScriptWithRequirements: req];
if (filterScript)
{
if ([filterScript length])
{
b = YES;
[script appendString: filterScript];
}
}
else
{
NSLog(@"Sieve generation failure: %@", [self lastScriptError]);
[client closeConnection];
return NO;
}
// We handle vacation messages.
// See http://ietfreport.isoc.org/idref/draft-ietf-sieve-vacation/
values = [ud vacationOptions];
if (values && [[values objectForKey: @"enabled"] boolValue])
{
NSArray *addresses;
NSString *text;
BOOL ignore;
int days, i;
days = [[values objectForKey: @"daysBetweenResponse"] intValue];
addresses = [values objectForKey: @"autoReplyEmailAddresses"];
ignore = [[values objectForKey: @"ignoreLists"] boolValue];
text = [values objectForKey: @"autoReplyText"];
b = YES;
if (days == 0)
days = 7;
[req addObjectUniquely: @"vacation"];
// Skip mailing lists
if (ignore)
[script appendString: @"if allof ( not exists [\"list-help\", \"list-unsubscribe\", \"list-subscribe\", \"list-owner\", \"list-post\", \"list-archive\", \"list-id\", \"Mailing-List\"], not header :comparator \"i;ascii-casemap\" :is \"Precedence\" [\"list\", \"bulk\", \"junk\"], not header :comparator \"i;ascii-casemap\" :matches \"To\" \"Multiple recipients of*\" ) {"];
[script appendFormat: @"vacation :days %d :addresses [", days];
for (i = 0; i < [addresses count]; i++)
{
[script appendFormat: @"\"%@\"", [addresses objectAtIndex: i]];
if (i == [addresses count]-1)
[script appendString: @"] "];
else
[script appendString: @", "];
}
[script appendFormat: @"text:\r\n%@\r\n.\r\n;\r\n", text];
if (ignore)
[script appendString: @"}\r\n"];
}
// We handle mail forward
values = [ud forwardOptions];
if (values && [[values objectForKey: @"enabled"] boolValue])
{
id addresses;
int i;
b = YES;
addresses = [values objectForKey: @"forwardAddress"];
if ([addresses isKindOfClass: [NSString class]])
addresses = [NSArray arrayWithObject: addresses];
for (i = 0; i < [addresses count]; i++)
{
v = [addresses objectAtIndex: i];
if (v && [v length] > 0)
[script appendFormat: @"redirect \"%@\";\r\n", v];
}
if ([[values objectForKey: @"keepCopy"] boolValue])
[script appendString: @"keep;\r\n"];
}
if ([req count])
{
header = [NSString stringWithFormat: @"require [\"%@\"];\r\n",
[req componentsJoinedByString: @"\",\""]];
[script insertString: header atIndex: 0];
}
/* We ensure to deactive the current active script since it could prevent
its deletion from the server. */
result = [client setActiveScript: @""];
// We delete the existing Sieve script
result = [client deleteScript: sieveScriptName];
if (![[result valueForKey:@"result"] boolValue]) {
NSLog(@"WARNING: Could not delete Sieve script - continuing...: %@", result);
}
// We put and activate the script only if we actually have a script
// that does something...
if (b && [script length])
{
result = [client putScript: sieveScriptName script: script];
if (![[result valueForKey:@"result"] boolValue]) {
NSLog(@"Could not upload Sieve script: %@", result);
[client closeConnection];
return NO;
}
result = [client setActiveScript: sieveScriptName];
if (![[result valueForKey:@"result"] boolValue]) {
NSLog(@"Could not enable Sieve script: %@", result);
[client closeConnection];
return NO;
}
}
[client closeConnection];
return YES;
}
@end
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