(feat): add autoupdate functionality

Dockerfile.ubuntu18

@@ -9,7 +9,7 @@ RUN curl -O https://dl.winehq.org/wine-builds/winehq.key
 RUN apt-key add winehq.key
 RUN add-apt-repository 'deb https://dl.winehq.org/wine-builds/ubuntu/ bionic main'
 RUN apt-get update
-RUN apt-get install -y winehq-stable
+RUN apt-get install -y winehq-stable=8.0.1*
 
 RUN apt-get install -y winetricks
 
@@ -26,11 +26,13 @@ RUN sed -i -e 's/# en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/' /etc/locale.gen && \
 ENV LANG en_US.UTF-8
 
 ENV APP_NAME="Backblaze Personal Backup"
+ENV FORCE_LATEST_UPDATE="false"
+ENV DISABLE_AUTOUPDATE="false"
 
 # Disable WINE Debug messages
 ENV WINEDEBUG -all
 
 EXPOSE 5900
 
-COPY startapp.sh /startapp.sh
+COPY startapp.sh PINNED_BZ_VERSION RELEASE_VERSION /
 RUN chmod +x /startapp.sh

Dockerfile.ubuntu20

@@ -9,7 +9,7 @@ RUN curl -O https://dl.winehq.org/wine-builds/winehq.key
 RUN apt-key add winehq.key
 RUN add-apt-repository 'deb https://dl.winehq.org/wine-builds/ubuntu/ focal main'
 RUN apt-get update
-RUN apt-get install -y winehq-stable
+RUN apt-get install -y winehq-stable=8.0.2*
 
 RUN apt-get install -y winetricks
 
@@ -26,11 +26,13 @@ RUN sed -i -e 's/# en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/' /etc/locale.gen && \
 ENV LANG en_US.UTF-8
 
 ENV APP_NAME="Backblaze Personal Backup"
+ENV FORCE_LATEST_UPDATE="false"
+ENV DISABLE_AUTOUPDATE="false"
 
 # Disable WINE Debug messages
 ENV WINEDEBUG -all
 
 EXPOSE 5900
 
-COPY startapp.sh /startapp.sh
+COPY startapp.sh PINNED_BZ_VERSION RELEASE_VERSION /
 RUN chmod +x /startapp.sh

Dockerfile.ubuntu22

@@ -9,7 +9,7 @@ RUN curl -O https://dl.winehq.org/wine-builds/winehq.key
 RUN apt-key add winehq.key
 RUN add-apt-repository 'deb https://dl.winehq.org/wine-builds/ubuntu/ jammy main'
 RUN apt-get update
-RUN apt-get install -y winehq-stable
+RUN apt-get install -y winehq-stable=8.0.2*
 
 RUN apt-get install -y winetricks
 
@@ -26,11 +26,13 @@ RUN sed -i -e 's/# en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/' /etc/locale.gen && \
 ENV LANG en_US.UTF-8
 
 ENV APP_NAME="Backblaze Personal Backup"
+ENV FORCE_LATEST_UPDATE="false"
+ENV DISABLE_AUTOUPDATE="false"
 
 # Disable WINE Debug messages
 ENV WINEDEBUG -all
 
 EXPOSE 5900
 
-COPY startapp.sh /startapp.sh
+COPY startapp.sh PINNED_BZ_VERSION RELEASE_VERSION /
 RUN chmod +x /startapp.sh

PINNED_BZ_VERSION

@@ -0,0 +1,2 @@
+9.0.0.749
+https://web.archive.org/web/20231218152237/https://secure.backblaze.com/win32/install_backblaze.exe

RELEASE_VERSION

@@ -0,0 +1 @@
+v1.6

startapp.sh

@@ -1,16 +1,165 @@
 #!/bin/sh
 set -x
-if [ -f "/config/wine/drive_c/Program Files (x86)/Backblaze/bzbui.exe" ]
-then
+
+# Define globals
+release_version=$(cat "/RELEASE_VERSION") #backblaze-personal-wine version tag
+local_version_file="$WINEPREFIX/dosdevices/c:/ProgramData/Backblaze/bzdata/bzreports/bzserv_version.txt"
+install_exe_path="$WINEPREFIX/dosdevices/c:/"
+log_file="$WINEPREFIX/dosdevices/c:/backblaze-wine-startapp.log"
+custom_user_agent="backblaze-personal-wine/$release_version (JonathanTreffler, +https://github.com/JonathanTreffler/backblaze-personal-wine-container), CFNetwork"
+
+# Extracting variables from the PINNED_VERSION file
+pinned_bz_version_file="/PINNED_BZ_VERSION"
+pinned_bz_version=$(sed -n '1p' "$pinned_bz_version_file")
+pinned_bz_version_url=$(sed -n '2p' "$pinned_bz_version_file")
+
+export WINEARCH="win64"
+
+# Disclaimer
+disclaimer_updatemode() {
+    # Check if auto-updates are disabled
+    if [ "$DISABLE_AUTOUPDATE" = "true" ]; then
+        echo "Auto-updates are disabled. Backblaze won't be updated."
+    else
+        # Check the status of FORCE_LATEST_UPDATE
+        if [ "$FORCE_LATEST_UPDATE" = "true" ]; then
+            echo "FORCE_LATEST_UPDATE is enabled which may brick your installation."
+        else
+            echo "FORCE_LATEST_UPDATE is disabled. Using known-good version of Backblaze."
+        fi
+    fi
+}
+
+disclaimer_updatemode
+
+
+if [ -f "/config/wine/drive_c/Program Files (x86)/Backblaze/bzbui.exe" ]; then
+    # Function to handle errors
+    handle_error() {
+        echo "Error: $1" >> "$log_file"
+        start_app # Start app even if there is a problem with the updater
+    }
+
+    log_message() {
+        echo "$(date): $1" >> "$log_file"
+    }
+
+    start_app() {
+    log_message "STARTAPP: Starting Backblaze version $local_version_file"
     wine64 "/config/wine/drive_c/Program Files (x86)/Backblaze/bzbui.exe" -noqiet &
     sleep infinity
+    }
+
+    check_url_validity() {
+        url="$1"
+        if http_code=$(curl -s -o /dev/null -w "%{http_code}" "$url"); then
+            if [ "$http_code" -eq 200 ]; then
+                content_type=$(curl -s -I "$url" | grep -i content-type | cut -d ':' -f2)
+                if echo "$content_type" | grep -q "xml"; then
+                    return 0 # Valid XML content found
+                fi
+            fi
+        fi
+        return 1 # Invalid or unavailable content
+    }
+
+    compare_versions() {
+        local_version="$1"
+        compare_version="$2"
+
+        if dpkg --compare-versions "$local_version" lt "$compare_version"; then
+            log_message "UPDATER: COMPARE: newer version found - local $local_version - remote $compare_version"
+            return 0 # The compare_version is higher
+        else
+            log_message "UPDATER: COMPARE: no new version found - local $local_version - remote $compare_version"
+            return 1 # The local version is higher or equal
+        fi
+    }
+
+    fetch_and_install() {
+        cd "$install_exe_path" || handle_error "UPDATER: can't navigate to $install_exe_path"
+        if [ "$FORCE_LATEST_UPDATE" = "true" ]; then
+            log_message "UPDATER: FORCE_LATEST_UPDATE=true - downloading latest version"
+            curl -L "https://www.backblaze.com/win32/install_backblaze.exe" --output "install_backblaze.exe"
+        else
+            log_message "UPDATER: FORCE_LATEST_UPDATE=false - downloading known-good version from archive.org"
+            curl -A "$custom_user_agent" -L "$pinned_bz_version_url" --output "install_backblaze.exe"
+        fi
+        log_message "UPDATER: Starting install_backblaze.exe"
+        WINEARCH="$WINEARCH" WINEPREFIX="$WINEPREFIX" wine64 "./install_backblaze.exe" || handle_error "UPDATER: Failed to install Backblaze"
+    }
+
+    # Check if auto-updates are disabled
+    if [ "$DISABLE_AUTOUPDATE" = "true" ]; then
+        log_message "UPDATER: DISABLE_AUTOUPDATE=true, Auto-updates are disabled. Starting Backblaze without updating."
+        start_app
+    fi
+
+    # Update process for force_latest_update set to true or not set
+    if [ "$FORCE_LATEST_UPDATE" = "true" ]; then
+        # Main auto update logic
+        if [ -f "$local_version_file" ]; then
+            log_message "UPDATER: FORCE_LATEST_UPDATE=true, updating to the latest version"
+            urls="
+                https://ca000.backblaze.com/api/clientversion.xml
+                https://ca001.backblaze.com/api/clientversion.xml
+                https://ca002.backblaze.com/api/clientversion.xml
+                https://ca003.backblaze.com/api/clientversion.xml
+                https://ca004.backblaze.com/api/clientversion.xml
+                https://ca005.backblaze.com/api/clientversion.xml
+            "
+
+            for url in $urls; do
+                if check_url_validity "$url"; then
+                    xml_content=$(curl -s "$url") || handle_error "UPDATER: Failed to fetch XML content"
+                    xml_version=$(echo "$xml_content" | grep -o '<update win32_version="[0-9.]*"' | cut -d'"' -f2)
+                    local_version=$(cat "$local_version_file") || handle_error "UPDATER: Failed to read local version from $local_version_file"
+
+                    if compare_versions "$local_version" "$xml_version"; then
+                        log_message "UPDATER: Newer version found - downloading and installing the newer version..."
+                        fetch_and_install
+                        start_app # Exit after successful download+installation and start app
+                    else
+                        log_message "UPDATER: The installed version is up to date."
+                        start_app # Exit autoupdate and start app
+                    fi
+                fi
+            done
+
+            handle_error "No valid XML content found or all URLs are unavailable."
+        else
+            handle_error "Local version file not found. Exiting."
+        fi
+    else
+        # Update process for force_latest_update set to false or anything else
+        if [ -f "$local_version_file" ]; then
+            log_message "UPDATER: FORCE_LATEST_UPDATE=false, Checking if newer version than $local_version_file is available."
+            local_version=$(cat "$local_version_file") || handle_error "UPDATER: Failed to read local version file"
+
+            if compare_versions "$local_version" "$pinned_bz_version"; then
+                log_message "UPDATER: FORCE_LATEST_UPDATE=false, Newer version found - downloading and installing the newer version..."
+                fetch_and_install
+                start_app # Exit after successful download+installation and start app
+            else
+                log_message "UPDATER: FORCE_LATEST_UPDATE=false, The local version is up to date. There may be a newer version available when using FORCE_LATEST_UPDATE=true"
+                start_app # Exit autoupdate and start app
+            fi
+        else
+            handle_error "UPDATER: Local version file does not exist. Exiting updater."
+        fi
+    fi
 else
-    mkdir /config/wine/
-    cd /config/wine/
-    curl -L "https://www.backblaze.com/win32/install_backblaze.exe" --output "install_backblaze.exe"
-    ls -la
-    wine64 "install_backblaze.exe" &
-    #sleep 10
-    #ln -s /drive_d/ /config/wine/dosdevices/d:
+    mkdir -p /config/wine/ &&
+    if [ "$FORCE_LATEST_UPDATE" = "true" ]; then
+        log_message "INSTALLER: FORCE_LATEST_UPDATE=true, Installing latest Backblaze version"
+        curl -L "https://www.backblaze.com/win32/install_backblaze.exe" --output "install_backblaze.exe" &&
+        ls -la &&
+        wine64 "install_backblaze.exe" &
+    else
+        log_message "INSTALLER: FORCE_LATEST_UPDATE=false, Installing pinned Backblaze version"
+        curl -A "$custom_user_agent" -L "$pinned_bz_version_url" --output "install_backblaze.exe"&&
+        ls -la &&
+        wine64 "install_backblaze.exe" &
+    fi
     sleep infinity
-fi
+fi