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[evolution] Add nag popup when mailing list hijacks private reply with Reply-To: header

commit 51a41db621693114f5ee60d48e7e6442fc85fcc4
Author: David Woodhouse <David Woodhouse intel com>
Date:   Thu Jul 15 17:20:16 2010 +0100

    Add nag popup when mailing list hijacks private reply with Reply-To: header

 mail/e-mail-reader.c                 |   43 +++++++++++++++++++++++++++++++++-
 mail/em-composer-utils.c             |   29 +++++++++++++++++++++++
 mail/em-composer-utils.h             |    3 +-
 mail/evolution-mail.schemas.in       |   12 +++++++++
 mail/mail-config.ui                  |   15 ++++++++++++
 mail/mail.error.xml                  |    8 ++++++
 modules/mail/e-mail-shell-settings.c |    4 +++
 modules/mail/em-composer-prefs.c     |    5 ++++
 8 files changed, 117 insertions(+), 2 deletions(-)
---
diff --git a/mail/e-mail-reader.c b/mail/e-mail-reader.c
index 9a6d5cb..3548bfa 100644
--- a/mail/e-mail-reader.c
+++ b/mail/e-mail-reader.c
@@ -980,6 +980,46 @@ action_mail_reply_sender_check(CamelFolder *folder, const gchar *uid, CamelMimeM
 			mode = REPLY_MODE_LIST;
 		else if (response == GTK_RESPONSE_CANCEL)
 			return;
+	} else if (gconf_client_get_bool(gconf, "/apps/evolution/mail/prompts/list_reply_to", NULL)) {
+		GtkDialog *dialog;
+		GtkWidget *content_area, *vbox, *check_again, *check_always_ignore;
+		gint response;
+
+		dialog = (GtkDialog*) e_alert_dialog_new_for_args (e_mail_reader_get_window (reader),
+								   "mail:ask-list-honour-reply-to", NULL);
+
+		/*Check buttons*/
+		vbox = gtk_vbox_new (FALSE, 0);
+		content_area = gtk_dialog_get_content_area (dialog);
+		gtk_container_set_border_width((GtkContainer *)vbox, 12);
+		gtk_box_pack_start (GTK_BOX (content_area), vbox, TRUE, TRUE, 0);
+		gtk_widget_show (vbox);
+
+		check_again = gtk_check_button_new_with_mnemonic (_("_Do not ask me again."));
+		gtk_box_pack_start (GTK_BOX (vbox), check_again, TRUE, TRUE, 0);
+		gtk_widget_show (check_again);
+
+		check_always_ignore = gtk_check_button_new_with_mnemonic (_("_Always ignore Reply-To: for mailing lists."));
+		gtk_box_pack_start (GTK_BOX (vbox), check_always_ignore, TRUE, TRUE, 0);
+		gtk_widget_show (check_always_ignore);
+
+		response = gtk_dialog_run ((GtkDialog *) dialog);
+
+		if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(check_again)))
+			gconf_client_set_bool(gconf, "/apps/evolution/mail/prompts/list_reply_to", FALSE, NULL);
+
+		gconf_client_set_bool(gconf, "/apps/evolution/mail/composer/ignore_list_reply_to",
+				      gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(check_always_ignore)),
+				      NULL);
+
+		gtk_widget_destroy((GtkWidget *)dialog);
+
+		if (response == GTK_RESPONSE_NO)
+			mode = REPLY_MODE_FROM;
+		else if (response == GTK_RESPONSE_OK)
+			mode = REPLY_MODE_LIST;
+		else if (response == GTK_RESPONSE_CANCEL)
+			return;
 	}
 
 	e_mail_reader_reply_to_message (reader, message, mode);
@@ -992,7 +1032,8 @@ action_mail_reply_sender_cb (GtkAction *action,
 	GConfClient *gconf;
 
 	gconf = mail_config_get_gconf_client ();
-	if (gconf_client_get_bool (gconf, "/apps/evolution/mail/prompts/private_list_reply", NULL) &&
+	if ((gconf_client_get_bool (gconf, "/apps/evolution/mail/prompts/private_list_reply", NULL) ||
+	     gconf_client_get_bool (gconf, "/apps/evolution/mail/prompts/list_reply_to", NULL)) &&
 	    e_mail_reader_check_state(reader) & E_MAIL_READER_SELECTION_IS_MAILING_LIST) {
 		CamelMimeMessage *message = NULL;
 		EWebView *web_view;
diff --git a/mail/em-composer-utils.c b/mail/em-composer-utils.c
index 4bc91c6..d01a421 100644
--- a/mail/em-composer-utils.c
+++ b/mail/em-composer-utils.c
@@ -1861,6 +1861,29 @@ em_utils_get_reply_sender (CamelMimeMessage *message, CamelInternetAddress *to,
 }
 
 static void
+get_reply_from (CamelMimeMessage *message, CamelInternetAddress *to, CamelNNTPAddress *postto)
+{
+	CamelInternetAddress *from;
+	const gchar *name, *addr, *posthdr;
+	gint i;
+
+	/* check whether there is a 'Newsgroups: ' header in there */
+	if (postto
+	    && ((posthdr = camel_medium_get_header((CamelMedium *)message, "Followup-To"))
+		 || (posthdr = camel_medium_get_header((CamelMedium *)message, "Newsgroups")))) {
+		camel_address_decode((CamelAddress *)postto, posthdr);
+		return;
+	}
+
+	from = camel_mime_message_get_from (message);
+
+	if (from) {
+		for (i = 0; camel_internet_address_get (from, i, &name, &addr); i++)
+			camel_internet_address_add (to, name, addr);
+	}
+}
+
+static void
 concat_unique_addrs (CamelInternetAddress *dest, CamelInternetAddress *src, GHashTable *rcpt_hash)
 {
 	const gchar *name, *addr;
@@ -2274,6 +2297,12 @@ em_utils_reply_to_message(CamelFolder *folder, const gchar *uid, CamelMimeMessag
 	flags = CAMEL_MESSAGE_ANSWERED | CAMEL_MESSAGE_SEEN;
 
 	switch (mode) {
+	case REPLY_MODE_FROM:
+		if (folder)
+			postto = camel_nntp_address_new();
+
+		get_reply_from (message, to, postto);
+		break;
 	case REPLY_MODE_SENDER:
 		if (folder)
 			postto = camel_nntp_address_new();
diff --git a/mail/em-composer-utils.h b/mail/em-composer-utils.h
index a1d2da3..eaa46d9 100644
--- a/mail/em-composer-utils.h
+++ b/mail/em-composer-utils.h
@@ -53,7 +53,8 @@ void em_utils_handle_receipt (CamelFolder *folder, const gchar *uid, CamelMimeMe
 void em_utils_send_receipt   (CamelFolder *folder, CamelMimeMessage *message);
 
 enum {
-	REPLY_MODE_SENDER,
+	REPLY_MODE_SENDER, /* Reply-To?:From */
+	REPLY_MODE_FROM,
 	REPLY_MODE_ALL,
 	REPLY_MODE_LIST
 };
diff --git a/mail/evolution-mail.schemas.in b/mail/evolution-mail.schemas.in
index de4f4da..2cc0fb0 100644
--- a/mail/evolution-mail.schemas.in
+++ b/mail/evolution-mail.schemas.in
@@ -1106,6 +1106,18 @@
     </schema>
 
     <schema>
+      <key>/schemas/apps/evolution/mail/prompts/list_reply_to</key>
+      <applyto>/apps/evolution/mail/prompts/list_reply_to</applyto>
+      <owner>evolution-mail</owner>
+      <type>bool</type>
+      <default>true</default>
+      <locale name="C">
+         <short>Prompt when mailing list hijacks private replies</short>
+         <long>It disables/enables the repeated prompts to warn that you are trying sending a private reply to a message which arrived via a mailing list, but the list sets a Reply-To: header which redirects your reply back to the list</long>
+      </locale>
+    </schema>
+
+    <schema>
       <key>/schemas/apps/evolution/mail/prompts/reply_many_recips</key>
       <applyto>/apps/evolution/mail/prompts/reply_many_recips</applyto>
       <owner>evolution-mail</owner>
diff --git a/mail/mail-config.ui b/mail/mail-config.ui
index 8603940..2a4ce8b 100644
--- a/mail/mail-config.ui
+++ b/mail/mail-config.ui
@@ -4861,6 +4861,21 @@ For example: "Work" or "Personal"</property>
                             <property name="position">3</property>
                           </packing>
                         </child>
+                        <child>
+                          <object class="GtkCheckButton" id="chkPromptListReplyTo">
+                            <property name="label" translatable="yes">Prompt when mailing list redirects private reply back to list</property>
+                            <property name="visible">True</property>
+                            <property name="can_focus">True</property>
+                            <property name="receives_default">False</property>
+                            <property name="use_underline">True</property>
+                            <property name="draw_indicator">True</property>
+                          </object>
+                          <packing>
+                            <property name="expand">False</property>
+                            <property name="fill">False</property>
+                            <property name="position">4</property>
+                          </packing>
+                        </child>
                       </object>
                     </child>
                   </object>
diff --git a/mail/mail.error.xml b/mail/mail.error.xml
index 962a509..f376cfa 100644
--- a/mail/mail.error.xml
+++ b/mail/mail.error.xml
@@ -58,6 +58,14 @@ Many email systems add an Apparently-To header to messages that only have BCC re
     <button _label="_Send" response="GTK_RESPONSE_YES"/>
   </error>
 
+  <error id="ask-list-honour-reply-to" type="question" default="GTK_RESPONSE_CANCEL">
+    <_primary>Send private reply?</_primary>
+    <_secondary>You are replying privately to a message which arrived via a mailing list, but the list is trying to redirect your reply to go back to the list. Are you sure you want to proceed?</_secondary>
+    <button response="GTK_RESPONSE_NO" _label="Reply _Privately"/>
+    <button stock="gtk-cancel" response="GTK_RESPONSE_CANCEL"/>
+    <button response="GTK_RESPONSE_OK" _label="Reply to _List"></button>
+  </error>
+
   <error id="ask-list-private-reply" type="question" default="GTK_RESPONSE_CANCEL">
     <_primary>Send private reply?</_primary>
     <_secondary>You are replying to a message which arrived via a mailing list, but you are replying privately to the sender; not to the list. Are you sure you want to proceed?</_secondary>
diff --git a/modules/mail/e-mail-shell-settings.c b/modules/mail/e-mail-shell-settings.c
index c17cc87..ca51acf 100644
--- a/modules/mail/e-mail-shell-settings.c
+++ b/modules/mail/e-mail-shell-settings.c
@@ -236,6 +236,10 @@ e_mail_shell_settings_init (EShell *shell)
 		"/apps/evolution/mail/prompts/reply_many_recips");
 
 	e_shell_settings_install_property_for_key (
+		"composer-prompt-list-reply-to",
+		"/apps/evolution/mail/prompts/list_reply_to");
+
+	e_shell_settings_install_property_for_key (
 		"composer-prompt-empty-subject",
 		"/apps/evolution/mail/prompts/empty_subject");
 
diff --git a/modules/mail/em-composer-prefs.c b/modules/mail/em-composer-prefs.c
index 9362066..a975a3a 100644
--- a/modules/mail/em-composer-prefs.c
+++ b/modules/mail/em-composer-prefs.c
@@ -427,6 +427,11 @@ em_composer_prefs_construct (EMComposerPrefs *prefs,
 		shell_settings, "composer-prompt-reply-many-recips",
 		widget, "active");
 
+	widget = e_builder_get_widget (prefs->builder, "chkPromptListReplyTo");
+	e_mutual_binding_new (
+		shell_settings, "composer-prompt-list-reply-to",
+		widget, "active");
+
 	widget = e_builder_get_widget (prefs->builder, "chkAutoSmileys");
 	e_mutual_binding_new (
 		shell_settings, "composer-magic-smileys",
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