Source/ESOTRUnknownFingerprintController.m

   1 /*
   2 * Adium is the legal property of its developers, whose names are listed in the copyright file included
   3  * with this source distribution.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it under the terms of the GNU
   6  * General Public License as published by the Free Software Foundation; either version 2 of the License,
   7  * or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
  10  * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
  11  * Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along with this program; if not,
  14  * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  15  */
  16
  17 #import "ESOTRUnknownFingerprintController.h"
  18 #import "ESTextAndButtonsWindowController.h"
  19 #import <Adium/AIAccount.h>
  20 #import <Adium/AIService.h>
  21 #import "AIHTMLDecoder.h"
  22 #import <Adium/AIServiceIcons.h>
  23 #import <Adium/AIAccountControllerProtocol.h>
  24
  25 #import "AdiumOTREncryption.h"
  26
  27 @interface ESOTRUnknownFingerprintController (PRIVATE)
  28 + (void)showFingerprintPromptWithMessageString:(NSString *)messageString
  29                                                                   acceptButton:(NSString *)acceptButton
  30                                                                         denyButton:(NSString *)denyButton
  31                                                                   responseInfo:(NSDictionary *)responseInfo;
  32 + (void)unknownFingerprintResponseInfo:(NSDictionary *)responseInfo wasAccepted:(BOOL)fingerprintAccepted;
  33 @end
  34
  35 @implementation ESOTRUnknownFingerprintController
  36
  37 + (void)showUnknownFingerprintPromptWithResponseInfo:(NSDictionary *)responseInfo
  38 {
  39         NSString        *messageString;
  40         AIAccount       *account = [responseInfo objectForKey:@"AIAccount"];
  41         NSString        *who = [responseInfo objectForKey:@"who"];
  42         NSString        *ourHash = [responseInfo objectForKey:@"Outgoing SessionID"];
  43         NSString        *theirHash = [responseInfo objectForKey:@"Incoming SessionID"];
  44
  45         messageString = [NSString stringWithFormat:
  46                 AILocalizedString(@"%@ has sent you (%@) an unknown encryption fingerprint.\n\n"
  47                                                   "Fingerprint for you: %@\n\n"
  48                                                   "Purported fingerprint for %@: %@\n\n"
  49                                                   "Accept this fingerprint as verified?",nil),
  50                 who,
  51                 [account formattedUID],
  52                 ourHash,
  53                 who,
  54                 theirHash];
  55
  56         [self showFingerprintPromptWithMessageString:messageString
  57                                                                         acceptButton:AILocalizedString(@"Accept",nil)
  58                                                                           denyButton:AILocalizedString(@"Verify Later",nil)
  59                                                                         responseInfo:responseInfo];
  60 }
  61
  62 + (void)showVerifyFingerprintPromptWithResponseInfo:(NSDictionary *)responseInfo
  63 {
  64         NSString        *messageString;
  65         AIAccount       *account = [responseInfo objectForKey:@"AIAccount"];
  66         NSString        *who = [responseInfo objectForKey:@"who"];
  67         NSString        *ourHash = [responseInfo objectForKey:@"Outgoing SessionID"];
  68         NSString        *theirHash = [responseInfo objectForKey:@"Incoming SessionID"];
  69
  70         messageString = [NSString stringWithFormat:
  71                 AILocalizedString(@"Fingerprint for you (%@): %@\n\n"
  72                                                   "Purported fingerprint for %@: %@\n\n"
  73                                                   "Is this the verifiably correct fingerprint for %@?",nil),
  74                 [account formattedUID],
  75                 ourHash,
  76                 who,
  77                 theirHash,
  78                 who];
  79
  80         [self showFingerprintPromptWithMessageString:messageString
  81                                                                         acceptButton:AILocalizedString(@"Yes",nil)
  82                                                                           denyButton:AILocalizedString(@"No",nil)
  83                                                                         responseInfo:responseInfo];
  84 }
  85
  86 + (void)showFingerprintPromptWithMessageString:(NSString *)messageString
  87                                                                   acceptButton:(NSString *)acceptButton
  88                                                                         denyButton:(NSString *)denyButton
  89                                                                   responseInfo:(NSDictionary *)responseInfo
  90 {
  91         ESTextAndButtonsWindowController        *windowController;
  92
  93         AIAccount       *account = [responseInfo objectForKey:@"AIAccount"];
  94
  95         NSImage         *serviceImage = nil;
  96
  97         if (account) {
  98                 serviceImage = [AIServiceIcons serviceIconForObject:account
  99                                                                                                            type:AIServiceIconLarge
 100                                                                                                   direction:AIIconNormal];
 101         }
 102
 103         windowController = [ESTextAndButtonsWindowController showTextAndButtonsWindowWithTitle:AILocalizedString(@"OTR Fingerprint Verification",nil)
 104                                                                                                                                                          defaultButton:acceptButton
 105                                                                                                                                                    alternateButton:denyButton
 106                                                                                                                                                            otherButton:AILocalizedString(@"Help", nil)
 107                                                                                                                                                                   onWindow:nil
 108                                                                                                                                                  withMessageHeader:nil
 109                                                                                                                                                                 andMessage:[AIHTMLDecoder decodeHTML:messageString]
 110                                                                                                                                                                          image:serviceImage
 111                                                                                                                                                                         target:self
 112                                                                                                                                                                   userInfo:responseInfo];
 113 }
 114
 115 /*!
 116 * @brief Window was closed, either by a button being clicked or the user closing it
 117  */
 118 + (BOOL)textAndButtonsWindowDidEnd:(NSWindow *)window returnCode:(AITextAndButtonsReturnCode)returnCode userInfo:(id)userInfo
 119 {
 120         BOOL    shouldCloseWindow = YES;
 121
 122         if (userInfo && [userInfo objectForKey:@"Fingerprint"]) {
 123                 BOOL    fingerprintAccepted;
 124
 125                 if (returnCode == AITextAndButtonsOtherReturn) {
 126                         NSString                        *who = [userInfo objectForKey:@"who"];
 127
 128                         NSString *message = [NSString stringWithFormat:AILocalizedString(@"A fingerprint is a unique identifier "
 129                                                                                                                                                          "that you should use to verify the identity of %@.\n\nTo verify the fingerprint, contact %@ via some "
 130                                                                                                                                                          "other authenticated channel such as the telephone or GPG-signed email. "
 131                                                                                                                                                          "Each of you should tell your fingerprint to the other.", nil),
 132                                 who,
 133                                 who];
 134
 135                         [ESTextAndButtonsWindowController showTextAndButtonsWindowWithTitle:nil
 136                                                                                                                                   defaultButton:nil
 137                                                                                                                                 alternateButton:nil
 138                                                                                                                                         otherButton:nil
 139                                                                                                                                            onWindow:window
 140                                                                                                                           withMessageHeader:AILocalizedString(@"Fingerprint Help", nil)
 141                                                                                                                                          andMessage:[[[NSAttributedString alloc] initWithString:message] autorelease]
 142                                                                                                                                                  target:self
 143                                                                                                                                            userInfo:nil];
 144
 145                         //Don't close the original window if the help button is pressed
 146                         shouldCloseWindow = NO;
 147
 148                 } else {
 149                         fingerprintAccepted = ((returnCode == AITextAndButtonsDefaultReturn) ? YES : NO);
 150
 151                         [self unknownFingerprintResponseInfo:userInfo
 152                                                                          wasAccepted:fingerprintAccepted];
 153                 }
 154         }
 155
 156         return shouldCloseWindow;
 157 }
 158
 159 + (void)unknownFingerprintResponseInfo:(NSDictionary *)responseInfo wasAccepted:(BOOL)fingerprintAccepted
 160 {
 161         AIAccount       *account = [responseInfo objectForKey:@"AIAccount"];
 162         NSString        *who = [responseInfo objectForKey:@"who"];
 163
 164         ConnContext *context = otrl_context_find(otrg_get_userstate(),
 165                                                                                          [who UTF8String], [[account internalObjectID] UTF8String],
 166                                                                                          [[[account service] serviceCodeUniqueID] UTF8String],
 167                                                                                          0, NULL, NULL, NULL);
 168     Fingerprint *fprint;
 169     BOOL oldtrust;
 170
 171     if (context == NULL) {
 172                 AILog(@"Warning: ESOTRUnknownFingerprintController: NULL context for %@",responseInfo);
 173                 return;
 174         }
 175
 176         fprint = context->active_fingerprint;
 177
 178     if (fprint == NULL) {
 179                 AILog(@"Warning: ESOTRUnknownFingerprintController: NULL fprint for %@",responseInfo);
 180                 return;
 181         }
 182
 183     oldtrust = (fprint->trust && fprint->trust[0]);
 184
 185     /* See if anything's changed */
 186     if (fingerprintAccepted != oldtrust) {
 187                 otrl_context_set_trust(fprint, fingerprintAccepted ? "verified" : "");
 188                 //Write the new info to disk, redraw the UI
 189                 otrg_plugin_write_fingerprints();
 190                 otrg_ui_update_keylist();
 191     }
 192 }
 193
 194 @end