fix: add plex prefs to entrypoint script (#958)

* fix: add plex prefs to entrypoint script

Signed-off-by: Devin Buhl <devin@buhl.casa>

* fix: add back PLEX_PREFERENCE_x

Signed-off-by: Devin Buhl <devin@buhl.casa>

* fix: update script

Signed-off-by: Devin Buhl <devin@buhl.casa>

---------

Signed-off-by: Devin Buhl <devin@buhl.casa>

apps/plex/Dockerfile

@@ -51,6 +51,5 @@ RUN \
 
 WORKDIR "${PLEX_MEDIA_SERVER_HOME}"
 USER kah
-COPY ./apps/plex/plex-preferences.sh /scripts/plex-preferences.sh
 COPY ./apps/plex/entrypoint.sh /entrypoint.sh
 CMD ["/entrypoint.sh"]

apps/plex/entrypoint.sh

@@ -2,15 +2,116 @@
 
 #shellcheck disable=SC1091
 test -f "/scripts/umask.sh" && source "/scripts/umask.sh"
-test -f "/scripts/plex-preferences.sh" && source "/scripts/plex-preferences.sh"
 
 #shellcheck disable=SC2155
 export PLEX_MEDIA_SERVER_INFO_MODEL=$(uname -m)
 #shellcheck disable=SC2155
 export PLEX_MEDIA_SERVER_INFO_PLATFORM_VERSION=$(uname -r)
 
-[[ -f "${PLEX_MEDIA_SERVER_APPLICATION_SUPPORT_DIR}/Plex Media Server/plexmediaserver.pid" ]] && \
-    rm -f "${PLEX_MEDIA_SERVER_APPLICATION_SUPPORT_DIR}/Plex Media Server/plexmediaserver.pid"
+function getPref {
+    local key="$1"
+    xmlstarlet sel -T -t -m "/Preferences" -v "@${key}" -n "${prefFile}"
+}
+
+function setPref {
+    local key="$1"
+    local value="$2"
+    count="$(xmlstarlet sel -t -v "count(/Preferences/@${key})" "${prefFile}")"
+    count=$((count + 0))
+    if [[ $count -gt 0 ]]; then
+        xmlstarlet ed --inplace --update "/Preferences/@${key}" -v "${value}" "${prefFile}"
+    else
+        xmlstarlet ed --inplace --insert "/Preferences"  --type attr -n "${key}" -v "${value}" "${prefFile}"
+    fi
+}
+
+prefFile="${PLEX_MEDIA_SERVER_APPLICATION_SUPPORT_DIR}/Plex Media Server/Preferences.xml"
+
+# Create empty Preferences.xml file if it doesn't exist already
+if [ ! -e "${prefFile}" ]; then
+    echo "Creating pref shell"
+    mkdir -p "$(dirname "${prefFile}")"
+    cat > "${prefFile}" <<-EOF
+<?xml version="1.0" encoding="utf-8"?>
+<Preferences/>
+EOF
+fi
+
+# Setup Server's client identifier
+serial="$(getPref "MachineIdentifier")"
+if [[ -z "${serial}" ]]; then
+    serial="$(cat /proc/sys/kernel/random/uuid)"
+    setPref "MachineIdentifier" "${serial}"
+fi
+clientId="$(getPref "ProcessedMachineIdentifier")"
+if [[ -z "${clientId}" ]]; then
+    clientId="$(echo -n "${serial}- Plex Media Server" | sha1sum | cut -b 1-40)"
+    setPref "ProcessedMachineIdentifier" "${clientId}"
+fi
+
+# Get server token and only turn claim token into server token if we have former but not latter.
+token="$(getPref "PlexOnlineToken")"
+if [[ -n "${PLEX_CLAIM_TOKEN}" ]] && [[ -z "${token}" ]]; then
+    echo "Attempting to obtain server token from claim token..."
+    loginInfo="$(curl -fsSL -X POST \
+        -H 'X-Plex-Client-Identifier: '"${clientId}" \
+        -H 'X-Plex-Product: Plex Media Server'\
+        -H 'X-Plex-Version: 1.1' \
+        -H 'X-Plex-Provides: server' \
+        -H 'X-Plex-Platform: Linux' \
+        -H 'X-Plex-Platform-Version: 1.0' \
+        -H 'X-Plex-Device-Name: PlexMediaServer' \
+        -H 'X-Plex-Device: Linux' \
+        "https://plex.tv/api/claim/exchange?token=${PLEX_CLAIM_TOKEN}")"
+    token="$(echo "$loginInfo" | sed -n 's/.*<authentication-token>\(.*\)<\/authentication-token>.*/\1/p')"
+
+    if [[ "$token" ]]; then
+        echo "Token obtained successfully!"
+        setPref "PlexOnlineToken" "${token}"
+    fi
+fi
+
+# Set other preferences
+[[ -n "${ADVERTISE_IP}" ]] && PLEX_ADVERTISE_URL=${ADVERTISE_IP}
+if [[ -n "${PLEX_ADVERTISE_URL}" ]]; then
+    echo "Setting customConnections to: ${PLEX_ADVERTISE_URL}"
+    setPref "customConnections" "${PLEX_ADVERTISE_URL}"
+fi
+
+[[ -n "${ALLOWED_NETWORKS}" ]] && PLEX_NO_AUTH_NETWORKS=${ALLOWED_NETWORKS}
+if [[ -n "${PLEX_NO_AUTH_NETWORKS}" ]]; then
+    echo "Setting allowedNetworks to: ${PLEX_NO_AUTH_NETWORKS}"
+    setPref "allowedNetworks" "${PLEX_NO_AUTH_NETWORKS}"
+fi
+
+# Set transcoder directory if not yet set
+if [[ -z "$(getPref "TranscoderTempDirectory")" ]]; then
+    echo "Setting TranscoderTempDirectory to: /transcode"
+    setPref "TranscoderTempDirectory" "/transcode"
+fi
+
+# Parse list of all exported variables that start with PLEX_PREFERENCE_
+# The format of which is PLEX_PREFERENCE_<SOMETHING>="Key=Value"
+# Where Key is the EXACT key to use in the Plex Preference file
+# And Value is the EXACT value to use in the Plex Preference file for that key.
+# Please note it looks like many of the key's are camelCase in some fashion.
+# Additionally there are likely some preferences where environment variable injection
+# doesn't really work for.
+for var in "${!PLEX_PREFERENCE_@}"; do
+    value="${!var}"
+    PreferenceValue="${value#*=}"
+    PreferenceKey="${value%=*}"
+    setPref "${PreferenceKey}" "${PreferenceValue}"
+done
+
+# Remove pid file
+rm -f "${PLEX_MEDIA_SERVER_APPLICATION_SUPPORT_DIR}/Plex Media Server/plexmediaserver.pid"
+
+# Purge Codecs folder
+if [[ "${PLEX_PURGE_CODECS}" == "true" ]]; then
+    echo "Purging Codecs folder..."
+    find "${PLEX_MEDIA_SERVER_APPLICATION_SUPPORT_DIR}/Plex Media Server/Codecs" -mindepth 1 -not -name '.device-id' -print -delete
+fi
 
 #shellcheck disable=SC2086
 exec \