add extraction check in CI

.github/workflows/push.yml → .github/workflows/ci.yml

@@ -1,4 +1,4 @@
-name: push
+name: ci
 
 on:
   push:
@@ -10,6 +10,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v1
+    - name: check key extract
+      run: |
+        [ "$(DZR_CBC= ./dzr ! 2>/dev/null | sha1sum)" = '3ad58d9232a3745ad9308b0669c83b6f7e8dba4d  -' ]
     - name: publish
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

README.md

@@ -1,6 +1,6 @@
 ![dzr logo](.github/.logo.svg)
 
-# DZR: the command line deezer.com player
+# DZR: the command line deezer.com player [![ci](https://github.com/yne/dzr/actions/workflows/ci.yml/badge.svg)](https://github.com/yne/dzr/actions/workflows/ci.yml)
 
 > ⚠️ For [legal reasons](https://github.com/github/dmca/blob/master/2021/02/2021-02-10-deezer.md) this project
 > - does not contain any track decryption key

dzr

@@ -15,24 +15,26 @@ elif [ "$REQUEST_METHOD" = "GET" ] ; then
 fi
 [ ! -z "$REQUEST_METHOD" ] && exit
 
-# dependencies check, see: https://github.com/yne/dzr/issues/12
-for c in jq curl dialog openssl $(echo "$PLAYER" | cut -f 1 -d " "); do
-	command -v $c >/dev/null || { echo "$c is required" 1>&2 ; UNMET_DEPENDENCIES=1;}
-done
-[ -n "$UNMET_DEPENDENCIES" ] && exit 1;
-
 # extraction + warning by charleywright, see: https://github.com/yne/dzr/issues/11
 unscramble(){ printf "${8}${16}${7}${15}${6}${14}${5}${13}${4}${12}${3}${11}${2}${10}${1}${9}";}
 if [ -z "$DZR_CBC" ]; then
-	printf "Add the following to your shell profile e.g. ~/.profile or ~/.zshrc:" >&2
+	command -v $(echo "$FETCH" | cut -f 1 -d " ") >/dev/null || { echo "key extraction require $FETCH" 1>&2 ; exit 1 ;}
+	printf "Add the following to your shell profile e.g. ~/.profile or ~/.zshrc:\n" >&2
 	APP_WEB=$($FETCH -L deezer.com/en/channels/explore | sed -n 's/.*src="\([^"]*app-web[^"]*\).*/\1/p' | xargs $FETCH -L)
-	TMP_CBC=$(echo "$APP_WEB"  | tr ,_ '\n'  | sed -n 's/.*\(%5B\(0x[0-9a-f]\{2\}\(%2C\)\?\)\{8\}%5D\).*/\1/p' | sed 's/%../\n/g' | xargs printf '\\%o ')
+	TMP_CBC=$(echo "$APP_WEB"  | tr ,_ '\n'  | sed -n 's/.*\(%5B0x..%2C.\{39\}%2C0x..%5D\).*/\1/p' | sed 's/%../\n/g' | xargs printf '\\%o ')
 	export DZR_CBC=$(unscramble $TMP_CBC);
 	printf "    export DZR_CBC=$DZR_CBC" >&2
 	[ "-$@" = "-!" ] && printf '%s' "$DZR_CBC" && exit
 	sleep 2 # give time to read the warning
+	echo
 fi
 
+# dependencies check, see: https://github.com/yne/dzr/issues/12
+for c in jq curl dialog openssl $(echo "$PLAYER" | cut -f 1 -d " "); do
+	command -v $c >/dev/null || { echo "$c is required" 1>&2 ; UNMET_DEPENDENCIES=1;}
+done
+[ -n "$UNMET_DEPENDENCIES" ] && exit 1;
+
 # main
 API="api.deezer.com"
 DLG_LIST="dialog --keep-tite --output-fd 1 --menu $1: 0 0 0"