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（转载）基于Bash命令行的百度云上传下载工具
原文链接：http://hi.baidu.com/meoow/item/aef5814bbd5be3e1bcf451e9
这是我根据百度云PCS的API写的一个基于bash的命令行工具，
使用了curl, awk, sed, xxd, bash，没有使用任何其他的语言解释器做辅助
目前，上传下载，文件列表，文件信息，创建文件夹，删除文件都没问题
复制和移动总是返回参数错误，实在找不出来哪里跟API不一致了，暂时放弃。
另外离线下载相关的API也都添加了，但是因为现在百度云不能申请，我是用的是bypy的client_id，
不知道它的离线下载相关权限没有抑或其他问题，添加任务返回500。
不过总的来说基本上对于一般使用百毒云是够用了
#!/bin/bash# Baidu Yun Command Line Interface# Depends: bash, curl, grep, awk, sed, xxd# (Thay are basicly builtin tools of any *nix system.)# Additionally, fastupload depends: head, wc, md5sum or md5, cksum# (Which are also builtin tools)# issues:# move, copy and all offline-download related commnads do not work# the latters are probably prohibited by baidu# or the current bypy client has no permission for them.#### Variables ##### This three to be changed to your own code #TOKEN=‘00.00000000000000000000000000000000.0000000.0000000000.000000000000000000‘# baidu has prohibited registering new client id# the client_id is borrowed from bypy (Another great baidu yun cli tool written in python)CLIENT_ID=q8WE4EpCsau1oS0MplgMKNBn# you should at least login pan.baidu.com from browser once,# then you can obtain the BDUSS code in the Cookie.BDUSS=‘AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA;‘########################################pathprefix=‘/apps/bypy/‘ACCEPT=‘text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8‘ACCPET_LANGUAGE=‘zh-cn,zh;q=0.8,en-us;q=0.5,en;q=0.3‘ACCPET_ENCODING=‘identity‘CACHE_CONTROL=‘no-cache‘CONNECTION=‘keep-alive‘DNT=1HOST=‘pcs.baidu.com‘ORIGIN=‘http://pan.baidu.com‘PRAGMA=‘no-cache‘REFERER=‘http://pan.baidu.com/disk/home‘UA=‘Mozilla/5.0 (X11; Linux; rv:5.0) Gecko/5.0 Firefox/5.0‘CURL_DEFAULT_ARGS=( -H "Accept: $ACCEPT" -H "Accept-Language: $ACCPET_LANGUAGE" -H "Cache-Control: $CACHE_CONTROL" -H "Connection: $CONNECTION" -H "DNT: $DNT" -H "Host: $HOST" -H "Origin: $ORIGIN" -H "Pragma: $PRAGMA" -H "Referer: $REFERER" -H "Accept-Encoding: $ACCPET_ENCODING" -A "$UA")######################## Defining functions ##### encoding character to %xx formaturlencode() { local length="${#1}" local c for (( i = 0; i < length; i++ )); do c="${1:i:1}" case $c in testa-zA-Z0-9.~_-) printf "%s" "$c" ;; *) printf "%s" "$c" | xxd -p -c1 | while read x;do printf "%%%s" "$x";done esacdone}# for *basic* regexp syntax surrounded by double quotesregexescape() {local len="${#1}"local cfor(( i=0;i<len;i++ ));doc="${1:i:1}"case "$c" intest*\\/^$|‘]‘|‘[‘|‘-‘) printf "\\\\%s" "$c";;*) printf "%s" "$c" esacdone}# baidu yun authorizeauth() {local codeecho "http://openapi.baidu.com/oauth/2.0/authorize?response_type=code&client_id=$CLIENT_ID&redirect_uri=oob&scope=basic%20netdisk&"code=$(curl -Ls "http://openapi.baidu.com/oauth/2.0/authorize?response_type=code&client_id=$CLIENT_ID&redirect_uri=oob&scope=basic%20netdisk&" -H "Cookie: BDUSS=$BDUSS"|grep -o ‘readonly value="http://www.mamicode.com/[^"]*"‘|grep -o ‘[[:xdigit:]]\{32\}‘)curl -Ls "https://bypy-tianze.rhcloud.com/auth?code=$code&redirect_uri=oob&"|grep -o ‘"[^"]\{1,\}":"[^"]\{1,\}"‘|sed -n ‘/access_token/s/^.*:"\([[:xdigit:].-]\{1,\}\)"$/\1/p‘}# print helpusage() {cat <<_EOF_ $0 <command > [arguments...] Command: auth upload <FILE > [PATH] [overwrite|newcopy] fastupload <FILE > [PATH] [overwrite|newcopy] download <PATH > [SAVEDIR] [SAVENAME] list [PATH] mkdir <PATH > meta <PATH > move <FROM > <TO> copy <FROM > <TO> delete <PATH > search <PATH > <WORD> add <URI > [PATH] query <TASKID > tasks cancel <TASKID > trash retore <FILEID > _EOF_}# JSON pretty printertokenize () { local GREP local ESCAPE local CHAR GREP=‘egrep -ao‘ ESCAPE=‘(\\[^u[:cntrl:]]|\\u[0-9a-fA-F]{4})‘ CHAR=‘[^[:cntrl:]"\\]‘ local STRING="\"$CHAR*($ESCAPE$CHAR*)*\"" local NUMBER=‘-?(0|[1-9][0-9]*)([.][0-9]*)?([eE][+-]?[0-9]*)?‘ local KEYWORD=‘null|false|true‘ local SPACE=‘[[:space:]]+‘ $GREP "$STRING|$NUMBER|$KEYWORD|$SPACE|." | egrep -v "^$SPACE$"}printw() { local n="$1" if test[ "$n" =~ [1-9][0-9]* ];then : else return 0 fi for((i=0;i<n;i++));do printf " "done}pprint() {local indent=0local value=0while read x; do case "$x" in ‘{‘|‘[‘) if ((value));then printf " " value=0 else printw $indent fi ((indent++)) printf "%s\n" "$x" ;; ‘}‘|‘]‘) value=0 ((indent > 0 && indent--)) echo printw $indent printf "%s" "$x" ;; ‘,‘) value=0 echo ;; ‘:‘) value=1 printf "%s" "$x" ;; *) if ((value));then value=0 printf " " else printw $indent fi printf "%s" "$x" ;; esacdone}# compact json output (parse output from pprint only)compact() {# arguments: -f -t -b -m -s# -f no fs_id# -t no ctime and mtime# -b no brackets# -m no md5# -s no size#default is to remove double quoteslocal sedcmd=‘s/"\([^"]*\)"/\1/g;‘while getopts :ftbms arg;do case "$arg" in f) sedcmd="$sedcmd"‘/^ *fs_id/d;‘ ;; t) sedcmd="$sedcmd"‘/^ *ctime/d;/^ *mtime/d;‘ ;; m) sedcmd="$sedcmd"‘/^ *md5:/d;‘ ;; s) sedcmd="$sedcmd"‘/^ *size:/d;‘ ;; b) sedcmd="$sedcmd"‘/^ *{/d;s/^ *}$//;/^ *\[$/d;/^ *\]/d;s/: \[$/:/;‘ ;; esacdonesed "$sedcmd"}autounit() {awk -v G=$((1024**3)) -v M=$((1024**2)) -v K=1024 ‘{ if($0~/^ *"?size"?: [[:digit:]]{1,}/){ if($2> =G){ size=sprintf("%0.1fG",$2/G) } else if($2> =M){ size=sprintf("%0.1fM",$2/M) } else if($2> =K){ size=sprintf("%0.1fK",$2/K) } else { size=$2 } sub($2,size) } print}‘}crc32() {cksum -o3 < "$1" |while read x y;do echo $x breakdone}if type -t md5sum > /dev/null ;thenMD5=‘md5sum -b‘elseMD5=‘md5‘fimd5() {MD5 < "$1" |while read x y;do echo "$x" breakdone}md5_256k() {head -c262144 "$1" | MD5 |while read x y;do echo "$x" breakdone}size() {wc -c "$1"|while read x y;do echo "$x" breakdone}############################################ Parse command line arguments ####case "$1" inauth) authexit 0;;u|upload)method=uploadshiftif test[ -z "$1" ];then echo "$0 upload <FILE > [PATH] [overwrite|newcopy]" >&2 exit 1fifilepath="$1"filename="$(basename "$filepath")"shiftpath="${1:-/}/$filename"shiftondup="${1:-overwrite}";;f|fastupload)method=rapiduploadshiftif test[ -z "$1" ];then echo "$0 upload <FILE > [PATH] [overwrite|newcopy]" >&2 exit 1fifilepath="$1"filename="$(basename "$filepath")"shiftpath="${1:-/}/$filename"shiftondup="${1:-overwrite}";;d|download)method=downloadshiftif test[ -z "$1" ];then echo "$0 download <PATH > [SAVEDIR] [SAVENAME]" >&2 exit 1fipath="$1"shiftsavedir="${1:-.}"shiftsavename="${1:-$(basename "$path")}"savefile="$savedir/$savename";;mkdir)req=POSTmethod=mkdirshiftif test[ -z "$1" ];then echo "$0 mkdir <PATH > " >&2 exit 1fipath="$1";;meta)req=GETmethod=metashiftif test[ -z "$1" ];then echo "$0 meta <PATH > " >&2 exit 1fipath="$1";;l|list)method=listshiftpath="${1:-/}";;m|move)method=moveshiftfrom="$1"shiftto="$1"if test[ -z "$from" || -z "$to" ];then echo "$0 move <FROM > <TO> " >&2 exit 1fi;;c|copy)method=copyshiftfrom="$1"shiftto="$1"if test[ -z "$from" || -z "$to" ];then echo "$0 copy <FROM > <TO> " >&2 exit 1fi;;s|search)method=searchshiftpath="$1"shiftwd="$1"if test[ -z "$path" || -z "$wd" ];then echo "$0 search <PATH > <WORD> " >&2 exit 1fi;;del|delete)method=deleteif test[ -z "$1" ];then echo "$0 delete <PATH > " >&2 exit 1fishiftpath="$1";;add)method=add_taskshiftif test[ -z "$1" ];then echo "$0 add <LINK > " >&2 exit 1filink="$1"shiftpath="$1";;query)method=query_taskshiftif test[ -z "$1" ];then echo "$0 query <TASKID > " >&2 exit 1fitaskid="$1";;tasks)method=list_task;;cancel)method=cancel_taskshiftif test[ -z "$1" ];then echo "$0 cancel <TASKID > " >&2 exit 1fitaskid="$1";;trash)method=listrecycle;;restore)method=restoreshiftif test[ -z "$1" ];then echo "$0 restore <FILEID > " >&2 exit 1fifsid="$1";;h|help)usageexit 0;;*)usageexit 0;;esacpath="$pathprefix""$path"from="$pathprefix""$from"to="$pathprefix""$to"#### determining request type ####case $method ininfo|download|meta|list|search|generate|diff|streaming|listrecycle)req=GET;;upload|delete|createsuperfile|move|copy|rapidupload|add_task|list_task|query_task|cancel_task|restore|mkdir)req=POST;;esac###################################### determining URI #############case $method inupload) uriprefix=‘https://c.pcs.baidu.com/rest/2.0/pcs/file‘;;download) uriprefix=‘https://d.pcs.baidu.com/rest/2.0/pcs/file‘;;list_task|query_task|cancel_task)uriprefix=‘https://pcs.baidu.com/rest/2.0/pcs/services/cloud_dl‘;;*) uriprefix=‘https://pcs.baidu.com/rest/2.0/pcs/file‘;;esac###################################### Building URI depends on specific method ####uriprefix="$uriprefix?access_token=$TOKEN&method=$method"case $method inupload)uri="$uriprefix&path=$(urlencode "$path")&ondup=$ondup";;download|mkdir|meta|delete)uri="$uriprefix&path=$(urlencode "$path")";;list)by=name #time name sizeorder=asc #asc descuri="$uriprefix&path=$(urlencode "$path")&by=$by&order=$order";;move|copy)uri="$uriprefix";;search)re=1uri="$uriprefix&path=$(urlencode "$path")&wd=$(urlencode "$wd")&re=$re";;rapidupload)filelength=$(size "$filepath")filemd5=$(md5 "$filepath")fileslicemd5=$(md5_256k "$filepath")filecrc32=$(crc32 "$filepath")uri="$uriprefix&path=$(urlencode "$path")&content-length=$filelength&content-md5=$filemd5&slice-md5=$fileslicemd5&content-crc32=$filecrc32&ondup=$ondup";;add_task)uri="$uriprefix&save_path=$(urlencode "$path")&source_url=$(urlencode "$link")";;query_task)optype=1uri="$uriprefix&task_ids=$taskid&op_type=$optype";;list_task)start=0limit=20asc=0 #0 1task_info=1 #1 0uri="$uriprefix&start=$start&limit=$limit&asc=$asc&need_task_info=$task_info";;cancel_task)uri="$uriprefix&task_id=$taskid";;listrecycle)uri="$uriprefix&start=0";;restore)uri="$uriprefix&fs_id=$fsid";;esac######################################## Building arguments for CURL ##curlopts=(-X$req"${CURL_DEFAULT_ARGS[@]}")case $method inupload)curlopts=("${curlopts[@]}" -F file=@"$filepath" "$uri");;download)curlopts=("${curlopts[@]}" -o "$savefile" "$uri");;delete|add_task|list_task|query_task|cancel_task|restore|mkdir|rapidupload)curlopts=( "${curlopts[@]}" -H "Content-Length: 0" -Ls "$uri");;move|copy)curlopts=( "${curlopts[@]}" -H "Content-Type: application/json" --data param="{\"list\":[{\"from\":\"$from\",\"to\":\"$to\"}]}" -Ls "$uri");;*)curlopts=("${curlopts[@]}" -Ls "$uri");;esac#################################### Start the operation #### echo "${curlopts[@]}"; exitcase $method indownload)curl "${curlopts[@]}";;*)curl "${curlopts[@]}"|tokenize|pprint|sed ‘/^ *"path": /s/^\( *"path": "\)‘"$(regexescape "$pathprefix")"‘\(.*"\)$/\1\2/‘|compact -ftbm | autounit;;esac##########################
使用，假设保存成文件名bdcurl的执行文件：
如果想不用浏览器，而是直接在命令行授权给bypy来使用的话，需要在浏览器里登录 过百毒云，然后在cookie里找到BDUSS（可以用firebug，或者使用sqlite打开浏览器的数据库也能找到），把内容复制到脚本开头的 BDUSS变量里（这个有效期比较长，所以基本只复制一次就可以了，以后token过期后重新认证时可以省略这步），
bdcurl auth
等一小会就会输出token id，把这个段字符串复制到脚本开头的TOKEN变量里，然后就可以使用了。
如果不方便获取BDUSS，就需要把终端输出的网址粘贴到浏览器里获取一个code，然后把code替换
https://bypy-tianze.rhcloud.com/auth?code=$code&redirect_uri=oob&
里面$code的部分，获得最后的access_token放到脚本开始的TOKEN变量里。
然后命令行运行：
bdcurl h 看帮助
bdcurl u file1 down #上传文件到down文件夹
bdcurl f file1 down #快速上传文件（只向服务器查询校验信息，如果百度云上有相同的文件，则直接在建立该文件，不需上传，如果返回error_code，则百毒云上没有相同文件，需要使用bdcurl u上传文件）
bdcurl d down/file1 # 下载指定路径的文件
bdcurl del down/file1 # 删除指定路径的文件
bdcurl l down # 列出 down目录下的所有文件
暂时不支持批量上传下载，毕竟百毒本身没有这样的API，所谓批量得在客户端实现，但是bash来实现相对会麻烦很多，因为没有很好的解析json的方法，如果使用python，perl之类的辅助解析，那就不如干脆直接用python或perl写了。
另外输出结果使用一个compact函数对其做一定程度的简化，其简化程度可通过参数指定，脚本里默认(compact -ftbm, 倒数第四行)使用最大程度简化（如，去除花括号和方括号，去除fs_id，md5校验码，size文件大小，mtime和ctime创建/修改时间 等项目，如果传递参数里去掉-s则会保留size项），可以自行参看脚本里定义compact函数接收参数的说明，选择你合适的输出简化程度
（转载）基于Bash命令行的百度云上传下载工具
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