From 5f0e289eb7fd78e434b6ec0db93307c9f6f5629c Mon Sep 17 00:00:00 2001
From: Brion Vibber <brion@users.mediawiki.org>
Date: Thu, 25 Nov 2004 06:20:01 +0000
Subject: [PATCH] Add site-wide options to disable all e-mail functions or only
 user-to-user email.

---
 includes/DefaultSettings.php     | 14 +++++++++++++
 includes/Skin.php                | 14 +++++++++----
 includes/SpecialEmailuser.php    |  7 ++++++-
 includes/SpecialPreferences.php  | 23 +++++++++++++++++----
 includes/SpecialUserlogin.php    | 19 ++++++++++++------
 includes/templates/Userlogin.php | 34 +++++++++++++++++---------------
 skins/CologneBlue.php            |  2 +-
 skins/Standard.php               |  6 ++----
 8 files changed, 83 insertions(+), 36 deletions(-)

diff --git a/includes/DefaultSettings.php b/includes/DefaultSettings.php
index 3805fff617..aa46220a59 100644
--- a/includes/DefaultSettings.php
+++ b/includes/DefaultSettings.php
@@ -158,6 +158,20 @@ $wgEmergencyContact = 'wikiadmin@' . $wgServerName;
  */
 $wgPasswordSender	= 'Wikipedia Mail <apache@' . $wgServerName . '>';
 
+/**
+ * Set to true to enable the e-mail basic features:
+ * Password reminders, etc. If sending e-mail on your
+ * server doesn't work, you might want to disable this.
+ * @global bool $wgEnableEmail
+ */
+$wgEnableEmail = true;
+
+/**
+ * Set to true to enable user-to-user e-mail.
+ * This can potentially be abused, as it's hard to track.
+ * @global bool $wgEnableUserEmail
+ */
+$wgEnableUserEmail = true;
 
 /**
  * SMTP Mode
diff --git a/includes/Skin.php b/includes/Skin.php
index f0bb25b726..a923e881c0 100644
--- a/includes/Skin.php
+++ b/includes/Skin.php
@@ -774,10 +774,8 @@ class Skin {
 				if($id || $ip) { # both anons and non-anons have contri list
 					$s .= $sep . $this->userContribsLink();
 				}
-				if ( 0 != $wgUser->getID() ) { # show only to signed in users
-					if($id) {	# can only email non-anons
-						$s .= $sep . $this->emailUserLink();
-					}
+				if( $this->showEmailUser( $id ) ) {
+					$s .= $sep . $this->emailUserLink();
 				}
 			}
 			if ( $wgTitle->getArticleId() ) {
@@ -1091,6 +1089,14 @@ class Skin {
 		return $s;
 	}
 
+	function showEmailUser( $id ) {
+		global $wgEnableEmail, $wgEnableUserEmail, $wgUser;
+		return $wgEnableEmail &&
+		       $wgEnableUserEmail &&
+		       0 != $wgUser->getID() && # show only to signed in users
+		       0 != $id; # can only email non-anons
+	}
+	
 	function emailUserLink() {
 		global $wgTitle, $wgContLang;
 
diff --git a/includes/SpecialEmailuser.php b/includes/SpecialEmailuser.php
index dbe6532eaa..8aed0f2022 100644
--- a/includes/SpecialEmailuser.php
+++ b/includes/SpecialEmailuser.php
@@ -11,8 +11,13 @@
 require_once('UserMailer.php');
 
 function wfSpecialEmailuser( $par ) {
-	global $wgUser, $wgOut, $wgRequest;
+	global $wgUser, $wgOut, $wgRequest, $wgEnableEmail, $wgEnableUserEmail;
 
+	if( !( $wgEnableEmail && $wgEnableUserEmail ) ) {
+		$wgOut->errorpage( "nosuchspecialpage", "nospecialpagetext" );
+		return;
+	}
+	
 	if ( 0 == $wgUser->getID() ||
 		( false === strpos( $wgUser->getEmail(), "@" ) ) ) {
 		$wgOut->errorpage( "mailnologin", "mailnologintext" );
diff --git a/includes/SpecialPreferences.php b/includes/SpecialPreferences.php
index b93c7fc69a..dd4905cea9 100644
--- a/includes/SpecialPreferences.php
+++ b/includes/SpecialPreferences.php
@@ -176,7 +176,10 @@ class PreferencesForm {
 			}
 			$wgUser->setPassword( $this->mNewpass );
 		}
-		$wgUser->setEmail( $this->mUserEmail );
+		global $wgEnableEmail;
+		if( $wgEnableEmail ) {
+			$wgUser->setEmail( $this->mUserEmail );
+		}
 		$wgUser->setRealName( $this->mRealName );
 		$wgUser->setOption( 'language', $this->mUserLanguage );
         $wgUser->setOption( 'variant', $this->mUserVariant );
@@ -200,7 +203,10 @@ class PreferencesForm {
 			$wgUser->setOption( "searchNs{$i}", $value );
 		}
 		
-		$wgUser->setOption( 'disablemail', $this->mEmailFlag );
+		global $wgEnableUserEmail;
+		if( $wgEnableEmail && $wgEnableUserEmail ) {
+			$wgUser->setOption( 'disablemail', $this->mEmailFlag );
+		}
 
 		# Set user toggles
 		foreach ( $this->mToggles as $tname => $tvalue ) {
@@ -388,9 +394,18 @@ class PreferencesForm {
 			if ($wgAllowRealName) {
 			$wgOut->addHTML("<div><label>$yrn: <input type='text' name=\"wpRealName\" value=\"{$this->mRealName}\" size='20' /></label></div>");
 		}
+		
+		global $wgEnableEmail, $wgEnableUserEmail;
+		if( $wgEnableEmail ) {
+			$wgOut->addHTML("
+			<div><label>$yem: <input type='text' name=\"wpUserEmail\" value=\"{$this->mUserEmail}\" size='20' /></label></div>" );
+			if( $wgEnableUserEmail ) {
+				$wgOut->addHTML("
+				<div><label><input type='checkbox' $emfc value=\"1\" name=\"wpEmailFlag\" />$emf</label></div>" );
+			}
+		}
+		
 		$wgOut->addHTML("
-		<div><label>$yem: <input type='text' name=\"wpUserEmail\" value=\"{$this->mUserEmail}\" size='20' /></label></div>
-		<div><label><input type='checkbox' $emfc value=\"1\" name=\"wpEmailFlag\" />$emf</label></div>
 		<div><label>$ynn: <input type='text' name=\"wpNick\" value=\"{$this->mNick}\" size='12' /></label></div>
 		<div><label>$yl: <select name=\"wpUserLanguage\">\n");
 
diff --git a/includes/SpecialUserlogin.php b/includes/SpecialUserlogin.php
index b36c28b29d..b888186230 100644
--- a/includes/SpecialUserlogin.php
+++ b/includes/SpecialUserlogin.php
@@ -35,7 +35,7 @@ class LoginForm {
 	var $mLoginattempt, $mRemember, $mEmail;
 	
 	function LoginForm( &$request ) {
-		global $wgLang, $wgAllowRealName;
+		global $wgLang, $wgAllowRealName, $wgEnableEmail;
 
 		$this->mName = $request->getText( 'wpName' );
 		$this->mPassword = $request->getText( 'wpPassword' );
@@ -44,13 +44,19 @@ class LoginForm {
 		$this->mCookieCheck = $request->getVal( 'wpCookieCheck' );
 		$this->mPosted = $request->wasPosted();
 		$this->mCreateaccount = $request->getCheck( 'wpCreateaccount' );
-		$this->mCreateaccountMail = $request->getCheck( 'wpCreateaccountMail' );
-		$this->mMailmypassword = $request->getCheck( 'wpMailmypassword' );
+		$this->mCreateaccountMail = $request->getCheck( 'wpCreateaccountMail' )
+		                            && $wgEnableEmail;
+		$this->mMailmypassword = $request->getCheck( 'wpMailmypassword' )
+		                         && $wgEnableEmail;
 		$this->mLoginattempt = $request->getCheck( 'wpLoginattempt' );
 		$this->mAction = $request->getVal( 'action' );
 		$this->mRemember = $request->getCheck( 'wpRemember' );
 		
-		$this->mEmail = $request->getText( 'wpEmail' );
+		if( $wgEnableEmail ) {
+			$this->mEmail = $request->getText( 'wpEmail' );
+		} else {
+			$this->mEmail = '';
+		}
 		if( $wgAllowRealName ) {
 		    $this->mRealName = $request->getText( 'wpRealName' );
 		} else {
@@ -379,7 +385,7 @@ class LoginForm {
 	 */
 	function mainLoginForm( $err ) {
 		global $wgUser, $wgOut, $wgLang;
-		global $wgDBname, $wgAllowRealName;
+		global $wgDBname, $wgAllowRealName, $wgEnableEmail;
 
 		if ( '' == $this->mName ) {
 			if ( 0 != $wgUser->getID() ) {
@@ -408,8 +414,9 @@ class LoginForm {
 		$template->set( 'action', $titleObj->getLocalUrl( $q ) );
 		$template->set( 'error', $err );
 		$template->set( 'create', $wgUser->isAllowedToCreateAccount() );
-		$template->set( 'createemail', $wgUser->getID() != 0 );
+		$template->set( 'createemail', $wgEnableEmail && $wgUser->getID() != 0 );
 		$template->set( 'userealname', $wgAllowRealName );
+		$template->set( 'useemail', $wgEnableEmail );
 		$template->set( 'remember', $wgUser->getOption( 'rememberpassword' ) );
 		
 		$wgOut->setPageTitle( wfMsg( 'userlogin' ) );
diff --git a/includes/templates/Userlogin.php b/includes/templates/Userlogin.php
index 746d5a7ead..05da76a101 100644
--- a/includes/templates/Userlogin.php
+++ b/includes/templates/Userlogin.php
@@ -55,22 +55,22 @@ class UserloginTemplate extends QuickTemplate {
 			<td><?php $this->msg('newusersonly') ?></td>
 		</tr>
 		<tr>
-			<td align='right'><?php $this->msg('youremail') ?>:</td>
-			<td align='left'>
-				<input tabindex='7' type='text' name="wpEmail"
-					value="<?php $this->text('email') ?>" size='20' />
-			</td>
-		<?php if( $this->data['userealname'] ) { ?>
-			<td>&nbsp;</td>
-		</tr>
-		<tr>
-			<td align='right'><?php $this->msg('yourrealname') ?>:</td>
-			<td align='left'>
-				<input tabindex='8' type='text' name="wpRealName" 
-					value="<?php $this->text('realname') ?>" size='20' />
-			</td>
-		<?php } ?>
-
+			<?php if( $this->data['useemail'] ) { ?>
+				<td align='right'><?php $this->msg('youremail') ?>:</td>
+				<td align='left'>
+					<input tabindex='7' type='text' name="wpEmail"
+						value="<?php $this->text('email') ?>" size='20' />
+				</td>
+			<?php } ?>
+			<?php if( $this->data['userealname'] ) { ?>
+				</tr>
+				<tr>
+					<td align='right'><?php $this->msg('yourrealname') ?>:</td>
+					<td align='left'>
+						<input tabindex='8' type='text' name="wpRealName" 
+							value="<?php $this->text('realname') ?>" size='20' />
+					</td>
+			<?php } ?>
 			<td align='left'>
 				<input tabindex='9' type='submit' name="wpCreateaccount"
 					value="<?php $this->msg('createaccount') ?>" />
@@ -81,6 +81,7 @@ class UserloginTemplate extends QuickTemplate {
 			</td>
 		</tr>
 	<?php } ?>
+	<?php if( $this->data['useemail'] ) { ?>
 		<tr>
 			<td colspan='3'>&nbsp;</td>
 		</tr>
@@ -93,6 +94,7 @@ class UserloginTemplate extends QuickTemplate {
 				</p>
 			</td>
 		</tr>
+	<?php } ?>
 	</table>
 </form>
 <?php
diff --git a/skins/CologneBlue.php b/skins/CologneBlue.php
index 7b709cfb3f..729739b276 100644
--- a/skins/CologneBlue.php
+++ b/skins/CologneBlue.php
@@ -218,7 +218,7 @@ class SkinCologneBlue extends Skin {
 				$id=User::idFromName($wgTitle->getText());
 				if ($id != 0) {
 					$s .= $sep . $this->userContribsLink();
-					if ( 0 != $wgUser->getID() ) {
+					if( $this->showEmailUser( $id ) ) {
 						$s .= $sep . $this->emailUserLink();
 					}
 				}
diff --git a/skins/Standard.php b/skins/Standard.php
index 6c71c66e0a..6698cf2a4d 100644
--- a/skins/Standard.php
+++ b/skins/Standard.php
@@ -251,10 +251,8 @@ class SkinStandard extends Skin {
 				if($id||$ip) {
 					$s .= $sep . $this->userContribsLink();
 				}
-				if ( 0 != $wgUser->getID() ) {
-					if($id) { # can only email real users
-						$s .= $sep . $this->emailUserLink();
-					}
+				if( $this->showEmailUser( $id ) ) {
+					$s .= $sep . $this->emailUserLink();
 				}
 			}
 			$s .= "\n<br /><hr class='sep' />";
-- 
2.20.1