Merge pull request #35 from YunoHost-Apps/add_change_url

Add change_url script

check_process

@@ -16,7 +16,7 @@
 		multi_instance=0
 		incorrect_path=1
 		port_already_use=0
-		change_url=0
+		change_url=1
 ;;; Levels
 	Level 1=auto
 	Level 2=auto

manifest.json

@@ -14,7 +14,7 @@
         "email": "julien.malik@paraiso.me"
     },
     "requirements": {
-        "yunohost": ">= 3.2.0"
+        "yunohost": ">= 3.5.0"
     },
     "multi_instance": false,
     "services": [

scripts/_common.sh

@@ -0,0 +1,35 @@
+#!/bin/bash
+
+#=================================================
+# EXPERIMENTAL HELPERS
+#=================================================
+
+# Check if an URL is already handled
+# usage: is_url_handled URL
+is_url_handled() {
+    # Declare an array to define the options of this helper.
+    declare -Ar args_array=( [u]=url= )
+    local url
+    # Manage arguments with getopts
+    ynh_handle_getopts_args "$@"
+
+    # Try to get the url with curl, and keep the http code and an eventual redirection url.
+    local curl_output="$(curl --insecure --silent --output /dev/null \
+      --write-out '%{http_code};%{redirect_url}' "$url")"
+
+    # Cut the output and keep only the first part to keep the http code
+    local http_code="${curl_output%%;*}"
+    # Do the same thing but keep the second part, the redirection url
+    local redirection="${curl_output#*;}"
+
+    # Return 1 if the url isn't handled.
+    # Which means either curl got a 404 (or the admin) or the sso.
+    # A handled url should redirect to a publicly accessible url.
+    # Return 1 if the url has returned 404
+    if [ "$http_code" = "404" ] || [[ $redirection =~ "/yunohost/admin" ]]; then
+        return 1
+    # Return 1 if the url is redirected to the SSO
+    elif [[ $redirection =~ "/yunohost/sso" ]]; then
+        return 1
+    fi
+}

scripts/change_url

@@ -0,0 +1,114 @@
+#!/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=$YNH_APP_INSTANCE_NAME
+
+#=================================================
+# LOAD SETTINGS
+#=================================================
+ynh_script_progression --message="Loading installation settings..." --weight=2
+
+# Needed for helper "ynh_add_nginx_config"
+final_path=$(ynh_app_setting_get --app=$app --key=final_path)
+
+#=================================================
+# CHECK WHICH PARTS SHOULD BE CHANGED
+#=================================================
+
+change_domain=0
+if [ "$old_domain" != "$new_domain" ]
+then
+	change_domain=1
+fi
+
+change_path=0
+if [ "$old_path" != "$new_path" ]
+then
+	change_path=1
+fi
+
+#=================================================
+# CHECK IF THE APP CAN BE MOVED WITH THESE ARGS
+#=================================================
+
+if [ $change_domain -eq 1 ]
+then
+	# Check if .well-known is available for the new domain.
+	if is_url_handled "https://$new_domain/.well-known/caldav" || is_url_handled "https://$new_domain/.well-known/carddav"
+	then
+		ynh_die --message="Another app already uses the domain $new_domain to serve a caldav/carddav feature. Please use another domain."
+	fi
+fi
+
+#=================================================
+# STANDARD MODIFICATIONS
+#=================================================
+# MODIFY URL IN NGINX CONF
+#=================================================
+ynh_script_progression --message="Updating nginx web server configuration..." --weight=2
+
+nginx_conf_path=/etc/nginx/conf.d/$old_domain.d/$app.conf
+
+# Change the path in the nginx config file
+if [ $change_path -eq 1 ]
+then
+	# Make a backup of the original nginx config file if modified
+	ynh_backup_if_checksum_is_different --file="$nginx_conf_path"
+	# Set global variables for nginx helper
+	domain="$old_domain"
+	path_url="$new_path"
+	# Create a dedicated nginx config
+	ynh_add_nginx_config
+fi
+
+# Change the domain for nginx
+if [ $change_domain -eq 1 ]
+then
+	# Delete file checksum for the old conf file location
+	ynh_delete_file_checksum --file="$nginx_conf_path"
+	mv $nginx_conf_path /etc/nginx/conf.d/$new_domain.d/$app.conf
+	# Store file checksum for the new config file location
+	ynh_store_file_checksum --file="/etc/nginx/conf.d/$new_domain.d/$app.conf"
+fi
+
+#=================================================
+# SPECIFIC MODIFICATIONS
+#=================================================
+# UPDATE CONFIGURATION
+#=================================================
+ynh_script_progression --message="Updating baikal configuration..."
+
+ynh_replace_string --match_string="_BASEURI\", \"$old_path" --replace_string="_BASEURI\", \"$new_path" --target_file="${final_path}/Specific/config.system.php"
+
+#=================================================
+# GENERIC FINALISATION
+#=================================================
+# RELOAD NGINX
+#=================================================
+ynh_script_progression --message="Reloading nginx web server..."
+
+ynh_systemd_action --service_name=nginx --action=reload
+
+#=================================================
+# END OF SCRIPT
+#=================================================
+
+ynh_script_progression --message="Change of URL completed for $app" --last