grant pilerUser permission to write to tmp dir

.vscode/numbered-bookmarks.json

@@ -4,15 +4,15 @@
 			"fsPath": "$ROOTPATH$/pilerbackup.sh",
 			"bookmarks": [
 				-1,
-				201,
+				301,
+				46,
+				386,
 				-1,
 				-1,
 				-1,
 				-1,
 				-1,
-				-1,
+				637
-				-1,
-				-1
 			]
 		}
 	]

pilerbackup.sh

@@ -44,6 +44,10 @@ badParam () {
         printf "${err}\nError: '%s %s': Service does not exist!${norm}\n\n" \
             "$2" "$3"
         exit 1
+    elif [ "$1" = "user" ]; then
+        printf "${err}\nError: '%s %s': User does not exist!${norm}\n\n" \
+            "$2" "$3"
+        exit 1
     fi
 }
 
@@ -64,7 +68,7 @@ cleanup () {
         fi        
     fi
     # remove EML temporary directory
-    if ! rm -f "$exportDir" 2>>"$logFile"; then
+    if ! rm -rf "$exportDir" 2>>"$logFile"; then
         printf "${warn}[%s] -- [WARNING] Could not remove EML export tmp dir:" \
             "$(stamp)" >> "$logFile"
         printf "\n%s\n" "$exportDir" >> "$logFile"
@@ -203,6 +207,7 @@ webroot="/usr/share/nginx/html"
 exportAll=0
 exportStart=$( date -d 'yesterday' +'%Y.%m.%d' )
 exportEnd=$( date -d 'yesterday' +'%Y.%m.%d' )
+pilerUser='piler'
 
 
 ### process startup parameters
@@ -293,6 +298,19 @@ while [ $# -gt 0 ]; do
                 badParam empty "$@"
             fi
             ;;
+        --user)
+            # specify piler user account name
+            if [ -n "$2" ]; then
+                if id ${pilerUser} > /dev/null 2>&1; then
+                    pilerUser="$2"
+                    shift
+                else
+                    badParam user "$@"
+                fi
+            else
+                badParam empty "$@"
+            fi
+            ;;
         *)
             printf "${err}\nUnknown option: %s\n" "$1"
             printf "${cyan}Use '--help' for valid options.{$norm}\n\n"
@@ -373,8 +391,12 @@ printf "${cyan}[%s] -- [INFO] Exporting EML files from piler --${norm}\n" \
 if ! exportDir=$( mktemp -d 2>>"$logFile" ); then
     exitError 111 "Could not create temporary directory for exported EML files"
 fi
+# grant pilerUser permission to write to temporary directory
+if ! chown root:${pilerUser} "$exportDir" && chmod 660 "$exportDir"; then
+    exitError 112 "Could not set permissions on temporary directory"
+fi
 if ! cd "$exportDir"; then
-    exitError 112 "Unable to change to temporary export directory"
+    exitError 113 "Unable to change to temporary export directory"
 fi
 printf "${cyan}[%s] -- [INFO] EML files will be temporarily stored in:" \
     "$(stamp)" >> "$logFile"
@@ -619,7 +641,8 @@ exit 0
 # 3: borg not installed
 # 99: TERM signal trapped
 # 111: could not create tmp dir for EML dump from piler-export
-# 112: could not change to tmp dir to start export operation
+# 112: could not set permissions on tmp dir
+# 113: could not change to tmp dir to start export operation
 # 115: problem during piler-export operation
 # 130: null configuration variable in details file
 # 131: invalid configuration variable in details file