Add raspap_helpers.sh

config/client_config/raspap_helpers.sh

@@ -0,0 +1,51 @@
+#!/bin/bash
+# 
+# Helper functions to extract informations from RaspAP config/settings
+#
+# zbchristian 2021
+#
+# get the values of a RaspAP config variable
+# call: _getRaspapConfig RASPAP_MOBILEDATA_CONFIG
+
+raspap_webroot="/var/www/html"
+
+function _getWebRoot() {
+    local path
+    path=$(cat /etc/lighttpd/lighttpd.conf | sed -rn "s/server.document-root \s*= \"([^ \s]*)\"/\1/p")
+    if [ ! -z "$path" ]; then raspap_webroot="$path"; fi
+    if [ -z "$path" ]; then return 1; else return 0; fi
+}
+
+# expand an RaspAP config variable utilizing PHP
+function _getRaspapConfig() {
+    local conf var
+    raspap_config=""
+    var="$1"
+    if [ ! -z "$var" ]; then 
+        if ! _getWebRoot; then return 1; fi
+        conf="$raspap_webroot/includes/config.php"
+        if [ -f "$conf" ]; then
+            conf=$(php -r 'include "'$conf'"; echo '$var';' 2> /dev/null)
+            if [ ! -z "$conf" ] && [ -d ${conf%/*} ]; then raspap_config="$conf"; fi
+        fi
+    fi
+    if [ -z "$raspap_config" ]; then return 1; else return 0; fi
+}
+
+# Username and password for mobile data devices is stored in a file (RASPAP_MOBILEDATA_CONFIG)  
+function _getAuthRouter() {
+    local mfile mdata pin user pw
+    if ! _getRaspapConfig "RASPI_MOBILEDATA_CONFIG"; then return 1; fi
+    mfile="$raspap_config" 
+    if [ -f $mfile ]; then      
+        mdata=$(cat "$mfile")
+        pin=$(echo "$mdata" | sed -rn 's/pin = ([^ \s]*)/\1/ip')
+        if [ ! -z "$pin" ]; then raspap_pin="$pin"; fi
+        user=$(echo "$mdata" | sed -rn 's/router_user = ([^ \s]*)/\1/ip')
+        if [ ! -z "$user" ]; then raspap_user="$user"; fi
+        pw=$(echo "$mdata" | sed -rn 's/router_pw = ([^ \s]*)/\1/ip')
+        if [ ! -z "$pw" ]; then raspap_password="$pw"; fi
+        return 0
+    fi
+    return 1
+}