From b49a2e0af18e52818f199b803eb5e07a561f4979 Mon Sep 17 00:00:00 2001
From: Jimmy Monin <jimmy@monin.net>
Date: Sun, 27 Aug 2017 09:52:15 +0200
Subject: [PATCH] Add change_url script

---
 check_process      |   1 +
 scripts/change_url | 122 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 123 insertions(+)
 create mode 100644 scripts/change_url

diff --git a/check_process b/check_process
index 4eafc80..043d27d 100644
--- a/check_process
+++ b/check_process
@@ -15,6 +15,7 @@
 		multi_instance=1
 		incorrect_path=1
 		port_already_use=0
+    change_url=1
 ;;; Levels
 	Level 1=auto
 	Level 2=auto
diff --git a/scripts/change_url b/scripts/change_url
new file mode 100644
index 0000000..52a8a5e
--- /dev/null
+++ b/scripts/change_url
@@ -0,0 +1,122 @@
+#!/bin/bash
+
+#=================================================
+# GENERIC STARTING
+#=================================================
+# IMPORT GENERIC HELPERS
+#=================================================
+
+source _common.sh
+source /usr/share/yunohost/helpers
+
+#=================================================
+# RETRIEVE ARGUMENTS
+#=================================================
+
+old_domain=$YNH_APP_OLD_DOMAIN
+old_path=$YNH_APP_OLD_PATH
+
+new_domain=$YNH_APP_NEW_DOMAIN
+new_path=$YNH_APP_NEW_PATH
+
+app=$YNH_APP_INSTANCE_NAME
+
+#=================================================
+# LOAD SETTINGS
+#=================================================
+
+db_name=$(ynh_app_setting_get "$app" db_name)
+db_pwd=$(ynh_app_setting_get "$app" mysqlpwd)
+db_user="$db_name"
+
+#=================================================
+# CHECK PATHS SYNTAX
+#=================================================
+
+test -n "$old_path" || old_path="/"
+test -n "$new_path" || new_path="/"
+new_path=$(ynh_normalize_url_path $new_path)
+old_path=$(ynh_normalize_url_path $old_path)
+
+#=================================================
+# CHECK WHICH PARTS SHOULD BE CHANGED
+#=================================================
+
+change_domain=0
+if [ "$old_domain" != "$new_domain" ]
+then
+	change_domain=1
+fi
+
+change_path=0
+if [ "$old_path" != "$new_path" ]
+then
+	change_path=1
+fi
+
+#=================================================
+# STANDARD MODIFICATIONS
+#=================================================
+# MODIFY URL IN NGINX CONF FILE
+#=================================================
+
+nginx_conf_path=/etc/nginx/conf.d/$old_domain.d/$app.conf
+
+# Change the path in the nginx config file
+if [ $change_path -eq 1 ]
+then
+  if [ "$new_path" = "/" ] && [ "$old_path" != "/" ] ; then
+    # Replace path in several location occurrences based on different recognition patterns
+    sudo sed --in-place "s@location $old_path/ {\$@location / {@"  "$nginx_conf_path"
+    ynh_replace_string "location ~ ^$old_path" "location ~ ^" "$nginx_conf_path"
+    ynh_replace_string "location $old_path {" "location / {" "$nginx_conf_path"
+    ynh_replace_string "rewrite ^ $old_path" "rewrite ^ " "$nginx_conf_path"
+    
+    # Move #for-subdir comment at the beginning of the line (line not needed for "/" path)
+    sudo sed --in-place "s/\(.*\) #for-subdir/#for-subdir \1/g" "$nginx_conf_path"
+    elif [ "$new_path" != "/" ] && [ "$old_path" = "/" ] ; then
+    # Move #for-subdir comment at the end of the line (line needed for "/path" path)
+    sudo sed --in-place "s/#for-subdir\(.*\)/\1 #for-subdir/g" "$nginx_conf_path"
+    
+    # Replace path in several location occurrences based on different recognition patterns
+    sudo sed --in-place "s@location / {\$@location $new_path/ {@"  "$nginx_conf_path"
+    ynh_replace_string "location ~ ^" "location ~ ^$new_path" "$nginx_conf_path"
+    ynh_replace_string "location / {" "location $new_path {" "$nginx_conf_path"
+    ynh_replace_string "rewrite ^ /" "rewrite ^ $new_path/" "$nginx_conf_path"
+  else
+    # Replace locations starting with old_path
+    # Look for every possible patterns for location (see https://nginx.org/en/docs/http/ngx_http_core_module.html#location)
+    sudo sed --in-place "s@location\( \(=\|~\|~\*\|\^~\)\)\? \(\^\)\?$old_path@location\1 \3$new_path@"  "$nginx_conf_path"
+    # Replace path in "rewrite" directive
+    ynh_replace_string "rewrite ^ $old_path" "rewrite ^ $new_path" "$nginx_conf_path"
+  fi
+fi
+
+# Change the domain for nginx
+if [ $change_domain -eq 1 ]
+then
+	sudo mv $nginx_conf_path /etc/nginx/conf.d/$new_domain.d/$app.conf
+fi
+
+#=================================================
+# SPECIFIC MODIFICATIONS
+#=================================================
+
+# Configure Wallabag instance URL
+ynh_mysql_connect_as "$db_name" "$db_pwd" "$db_user"  <<< "UPDATE craue_config_setting SET value = 'https://$new_domain$new_path' WHERE name = 'wallabag_url'"
+
+# If "Download images locally" option has been enabled in Internal Settings
+download_images_enabled=$(ynh_mysql_connect_as "$db_name" "$db_pwd" "$db_user"  <<<  "SELECT value from craue_config_setting WHERE name='download_images_enabled '" | tail -n 1)
+if [ "$download_images_enabled" = "1" ] ; then
+  echo "Updating images URL; this operation may take a while..."
+  # Query/replace the domain/path in every entry.content in mysql database
+  ynh_mysql_connect_as "$db_name" "$db_pwd" "$db_user"  <<< "UPDATE entry SET content = REPLACE(content, '$old_domain$old_path', '$new_domain$new_path');" 
+fi
+
+#=================================================
+# GENERIC FINALIZATION
+#=================================================
+# RELOAD NGINX
+#=================================================
+
+sudo systemctl reload nginx