问使用run-as从内部存储中检索数据库或任何其他文件

EN

> adb shell
shell $ run-as com.example.package
shell $ chmod 666 databases/file
shell $ exit                                               ## exit out of 'run-as'
shell $ cp /data/data/package.name/databases/file /sdcard/
shell $ run-as com.example.package
shell $ chmod 600 databases/file
> adb pull /sdcard/file .

adb shell
run-as package.name
cat /databases/databaseFileName.db > /sdcard/copiedDatabaseFileName.db
exit
exit
adb pull /sdcard/copiedDatabaseFileName.db /file/location/on/computer/

#!/bin/bash
P=
F=
D=

function usage()
{
    echo "$(basename $0) [-f file] [-d directory] -p package"
    exit 1
}

while getopts ":p:f:d:" opt
do
    case $opt in
        p)
            P=$OPTARG
            echo package is $OPTARG
            ;;
        f)
            F=$OPTARG
            echo file is $OPTARG
            ;;
        d)
            D=$OPTARG
            echo directory is $OPTARG
            ;;
        \?)
            echo Unknown option -$OPTARG
            usage
            ;;
        \:)
            echo Required argument not found -$OPTARG
            usage
            ;;
    esac
done

[ x$P == x ] && {
    echo "package can not be empty"
    usage
    exit 1
}

[[ x$F == x  &&  x$D == x ]] && {
    echo "file or directory can not be empty"
    usage
    exit 1
}

function file_type()
{
    # use printf to avoid carriage return
    __t=$(adb shell run-as $P "sh -c \"[ -f $1 ] && printf f || printf d\"")
    echo $__t
}

function list_and_pull()
{
    t=$(file_type $1)
    if [ $t == d ]; then
        for f in $(adb shell run-as $P ls $1)
        do
            # the carriage return output from adb shell should
            # be removed
            mkdir -p $(echo -e $1 |sed $'s/\r//')
            list_and_pull $(echo -e $1/$f |sed $'s/\r//')
        done
    else
        echo pull file $1
        [ ! -e $(dirname $1) ] && mkdir -p $(dirname $1)
        $(adb exec-out run-as $P cat $1 > $1)
    fi
}

[ ! -z $D ] && list_and_pull $D
[ ! -z $F ] && list_and_pull $F

$ ./exec_out.sh -p com.example.myapplication -d databases