From 59303f0452ff79bcf57f0cbec472c608916e8bfd Mon Sep 17 00:00:00 2001
From: cyBerta <cyberta@riseup.net>
Date: Mon, 13 Nov 2017 15:05:38 +0100
Subject: add script that helps to build and sign stable and beta releases

---
 prepareForDistribution.sh | 216 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 216 insertions(+)
 create mode 100755 prepareForDistribution.sh

diff --git a/prepareForDistribution.sh b/prepareForDistribution.sh
new file mode 100755
index 00000000..37c387b7
--- /dev/null
+++ b/prepareForDistribution.sh
@@ -0,0 +1,216 @@
+#!/bin/bash
+
+
+function quit {
+    echo "Task failed. Exit value: $?."
+    cleanUp
+    exit 1
+}
+
+function cleanUp {
+    if [[ -f ${ALIGNED_UNSIGNED_APK} ]]
+    then
+        rm ${ALIGNED_UNSIGNED_APK}
+    fi
+    if [[ -f ${ALIGNED_SIGNED_APK} ]]
+    then
+        rm ${ALIGNED_SIGNED_APK}
+    fi
+}
+
+# ----Main-----
+
+DO_BUILD=false
+DO_SIGN=false
+BETA=false
+
+
+# check global vars
+if [[ -z ${ANDROID_BUILD_TOOLS} ]] 
+then
+    echo "ERROR: Environment variable ANDROID_BUILD_TOOLS not set! Please add it to your .bashrc file. Exiting."
+    exit 
+fi
+
+# init parameters
+for ((i=1;i<=$#;i++)); 
+do
+    if [[ ${!i} = "b" || ${!i} = "build" ]] 
+    then 
+        DO_BUILD=true
+        
+    elif [[ ${!i} = "s" || ${!i} = "sign" ]] 
+    then 
+        DO_SIGN=true
+        
+    elif [[ ${!i} = "-f" || ${!i} = "-file" ]] 
+    then 
+        ((i++)) 
+        FILE_NAME_STRING=${!i}
+        FILE_NAME=${FILE_NAME_STRING##*/} #remove everything till the last '/'
+        FILE_DIR=${FILE_NAME_STRING%/*} #remove everything after the last '/'
+    
+    elif [[ ${!i} = "-ks" || ${!i} = "-keystore" ]] 
+    then 
+        ((i++)) 
+        KEY_STORE_STRING=${!i};
+        KEY_STORE_NAME=${KEY_STORE_STRING##*/}
+        KEY_STORE_DIR=${KEY_STORE_STRING%/*}
+        
+    elif [[ ${!i} = "-v" || ${!i} = "-version" ]] 
+    then 
+        ((i++)) 
+        VERSION_NAME=${!i};
+        if [[ -z $(git tag --list | grep -w ${VERSION_NAME}) ]] 
+        then
+            echo "ERROR: Version name has to be a git tag!"
+            exit
+        else 
+            #---- COMPARE TAG COMMIT WITH CURRENT COMMIT AND CHECK OUT TAG COMMIT IF NECESSARY ----
+            TAG_COMMIT=$(git log -n 1 ${VERSION_NAME} --format="%H")
+            CURRENT_COMMIT=$(git log -n 1 --format="%H")
+            if [[ ${TAG_COMMIT} != ${CURRENT_COMMIT} ]]
+            then
+                echo "CHECKING OUT VERSION: ${VERSION_NAME} ..."
+                git checkout ${VERSION_NAME} || quit
+            fi
+        fi
+
+    elif [[ ${!i} = "-k" || ${!i} = "-key" ]];
+    then 
+        ((i++)) 
+        GPG_KEY=${!i}
+    elif [[ ${!i} = "-u" || ${!i} = "-user" ]];
+    then 
+        ((i++)) 
+        GPG_KEY_USER=${!i}
+        
+    elif [[ ${!i} = "-b" || ${!i} = "-beta" ]];
+    then 
+        BETA=true
+
+    elif [[ ${!i} = "-h" || ${!i} = "-help" ]];
+    then 
+        echo -e "example Usages: \n
+        jarsign only:
+        -------------
+        ./prepareForDistribution.sh sign -f app/build/outputs/apk/app-production-beta.apk -ks ~/path/to/bitmask-android.keystore -b -v 0.9.7RC2 \n
+        jarsign and gpg sign only:
+        --------------------------
+        ./prepareForDistribution.sh sign -f app/build/outputs/apk/app-production-beta.apk -ks ~/path/to/bitmask-android.keystore -u GPG_USER -b -v 0.9.7RC2 \n
+        build and sign beta:
+        --------------------
+        ./prepareForDistribution.sh build sign -ks ~/path/to/bitmask-android.keystore -u GPG_USER -b -v 0.9.7RC2 \n
+        build and sign stable:
+        ----------------------
+        ./prepareForDistribution.sh build sign -ks ~/path/to/bitmask-android.keystore -u GPG_USER -v 0.9.7"
+        exit
+
+    else
+        echo "Invalid argument: ${!i}"
+        exit
+    fi
+
+done;
+
+
+# check what to do
+if [[ ${DO_BUILD} == false && ${DO_SIGN} == false ]]
+then
+    echo "ERROR: No action set. Please check  ./prepareForDistribution -help!"
+    exit
+fi
+
+if [[ ${DO_BUILD} == true ]]
+then
+    if [[ ${BETA} == true ]]
+    then
+        ./gradlew clean assembleProductionBeta --stacktrace || quit
+    else
+        ./gradlew clean assembleProductionRelease --stacktrace || quit
+    fi
+fi
+
+if [[ ${DO_SIGN} == true ]]
+then
+    if [[ -z ${FILE_NAME} && ${DO_BUILD} == false ]] 
+    then
+        echo -e "ERROR: Sign only needs a file name. Please check ./prepareForDistribution -help!"
+        exit
+    fi
+    if [[ -z ${KEY_STORE_NAME} ]] 
+    then
+        echo "ERROR: Key store not set. Please check ./prepareForDistribution -help"
+        exit
+    fi
+    if [[ -n ${FILE_NAME_STRING} && ${DO_BUILD} == true ]]
+    then
+        echo "WARNING: Ignoring parameter -file. Built APK will be used instead."
+    fi
+    
+    #---- OPT: SELECT APK FROM LAST BUILD ----
+    if [[ ${DO_BUILD} == true ]]
+    then
+        FILE_DIR="app/build/outputs/apk/"
+        if [[ ${BETA} == true ]]
+        then
+            FILE_NAME="app-production-beta.apk"
+        else
+            FILE_NAME="app-production-release.apk"
+        fi
+    fi
+    
+    #---- ALIGN AND JARSIGN APK  -----
+    ALIGNED_UNSIGNED_APK="$(pwd)/${FILE_DIR}/aligned-${FILE_NAME}"
+    ALIGNED_SIGNED_APK="$(pwd)/${FILE_DIR}/aligned-signed-${FILE_NAME}"
+    
+    ${ANDROID_BUILD_TOOLS}/zipalign -v -p 4 "$(pwd)/${FILE_DIR}/${FILE_NAME}" ${ALIGNED_UNSIGNED_APK} || quit
+    ${ANDROID_BUILD_TOOLS}/apksigner sign --ks "${KEY_STORE_STRING}" --out ${ALIGNED_SIGNED_APK} ${ALIGNED_UNSIGNED_APK} || quit
+    rm ${ALIGNED_UNSIGNED_APK}
+    
+    FINGERPRINT=$(unzip -p ${ALIGNED_SIGNED_APK} META-INF/*.RSA | keytool -printcert | grep "SHA256" | tr -d '[:space:]') || quit
+    EXPECTED_FINGERPRINT="SHA256:9C:94:DB:F8:46:FD:95:97:47:57:17:2A:6A:8D:9A:9B:DF:8C:40:21:A6:6C:15:11:28:28:D1:72:39:1B:81:AA"
+    
+    if [[ ${FINGERPRINT} == ${EXPECTED_FINGERPRINT} ]] 
+    then
+        echo "Certificate fingerprint matches: ${FINGERPRINT}"
+    else 
+        echo -e "Certificate fingerprint \n${FINGERPRINT} \ndid not match expected fingerprint \n\t${EXPECTED_FINGERPRINT}"
+        quit
+    fi
+    
+    #---- RENAME TO VERSION_NAME ----
+    FINAL_APK=${ALIGNED_SIGNED_APK}
+    if [[ -n ${VERSION_NAME} ]]
+    then
+        if [[ ${BETA} == true ]]
+        then
+            FINAL_FILE_NAME="Bitmask-Android-Beta-${VERSION_NAME}.apk"
+        else 
+            FINAL_FILE_NAME="Bitmask-Android-${VERSION_NAME}.apk"
+        fi
+        FINAL_APK="$(pwd)/${FILE_DIR}/${FINAL_FILE_NAME}"
+        cp ${ALIGNED_SIGNED_APK} ${FINAL_APK} || quit
+        cleanUp
+    fi
+    
+    #---- GPG SIGNING ----
+    if [[ -z ${GPG_KEY} && -z ${GPG_KEY_USER} ]] 
+    then
+        echo "WARNING: Could not do gpg signing!"
+        exit
+    fi
+    
+    if [[ ${GPG_KEY} ]] 
+    then
+        gpg --default-key ${GPG_KEY} --armor --output "${FINAL_APK}.sig" --detach-sign ${FINAL_APK} || quit
+        #gpg -u ${GPG_KEY} -sab --output ${FINAL_APK} || quit
+    else 
+        GPG_KEY=$(gpg --list-keys $GPG_KEY_USER | grep pub | cut -d '/' -f 2 | cut -d ' ' -f 1) || quit
+        #gpg -u ${GPG_KEY} -sab --output ${FINAL_APK} || quit
+        gpg --default-key ${GPG_KEY} --armor --output "${FINAL_APK}.sig" --detach-sign ${FINAL_APK} || quit
+    fi
+    
+    gpg --verify "${FINAL_APK}.sig" || quit
+    
+fi
\ No newline at end of file
-- 
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