本篇内容主要讲解“如何编写shell脚本将VPS上的数据备份到Dropbox网盘”，感兴趣的朋友不妨来看看。本文介绍的方法操作简单快捷，实用性强。下面就让小编来带大家学习“如何编写shell脚本将VPS上的数据备份到Dropbox网盘”吧!
#!/usr/bin/env bash # # Dropbox Uploader # # Copyright (C) 2010-2014 Andrea Fabrizi <andrea.fabrizi@gmail.com> # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # #Default configuration file CONFIG_FILE=~/.dropbox_uploader #Default chunk size in Mb for the upload process #It is recommended to increase this value only if you have enough free space on your /tmp partition #Lower values may increase the number of http requests CHUNK_SIZE=4 #Curl location #If not set, curl will be searched into the $PATH #CURL_BIN="/usr/bin/curl" #Default values TMP_DIR="/tmp" DEBUG=0 QUIET=0 SHOW_PROGRESSBAR=0 SKIP_EXISTING_FILES=0 ERROR_STATUS=0 #Don't edit these... API_REQUEST_TOKEN_URL="https://api.dropbox.com/1/oauth/request_token" API_USER_AUTH_URL="https://www2.dropbox.com/1/oauth/authorize" API_ACCESS_TOKEN_URL="https://api.dropbox.com/1/oauth/access_token" API_CHUNKED_UPLOAD_URL="https://api-content.dropbox.com/1/chunked_upload" API_CHUNKED_UPLOAD_COMMIT_URL="https://api-content.dropbox.com/1/commit_chunked_upload" API_UPLOAD_URL="https://api-content.dropbox.com/1/files_put" API_DOWNLOAD_URL="https://api-content.dropbox.com/1/files" API_DELETE_URL="https://api.dropbox.com/1/fileops/delete" API_MOVE_URL="https://api.dropbox.com/1/fileops/move" API_COPY_URL="https://api.dropbox.com/1/fileops/copy" API_METADATA_URL="https://api.dropbox.com/1/metadata" API_INFO_URL="https://api.dropbox.com/1/account/info" API_MKDIR_URL="https://api.dropbox.com/1/fileops/create_folder" API_SHARES_URL="https://api.dropbox.com/1/shares" APP_CREATE_URL="https://www2.dropbox.com/developers/apps" RESPONSE_FILE="$TMP_DIR/du_resp_$RANDOM" CHUNK_FILE="$TMP_DIR/du_chunk_$RANDOM" TEMP_FILE="$TMP_DIR/du_tmp_$RANDOM" BIN_DEPS="sed basename date grep stat dd mkdir" VERSION="0.14" umask 077 #Check the shell if [ -z "$BASH_VERSION" ]; then echo -e "Error: this script requires the BASH shell!" exit 1 fi shopt -s nullglob #Bash allows filename patterns which match no files to expand to a null string, rather than themselves shopt -s dotglob #Bash includes filenames beginning with a "." in the results of filename expansion #Look for optional config file parameter while getopts ":qpskdf:" opt; do case $opt in f) CONFIG_FILE=$OPTARG ;; d) DEBUG=1 ;; q) QUIET=1 ;; p) SHOW_PROGRESSBAR=1 ;; k) CURL_ACCEPT_CERTIFICATES="-k" ;; s) SKIP_EXISTING_FILES=1 ;; \?) echo "Invalid option: -$OPTARG" >&2 exit 1 ;; :) echo "Option -$OPTARG requires an argument." >&2 exit 1 ;; esac done if [[ $DEBUG != 0 ]]; then echo $VERSION set -x RESPONSE_FILE="$TMP_DIR/du_resp_debug" fi if [[ $CURL_BIN == "" ]]; then BIN_DEPS="$BIN_DEPS curl" CURL_BIN="curl" fi #Dependencies check which $BIN_DEPS > /dev/null if [[ $? != 0 ]]; then for i in $BIN_DEPS; do which $i > /dev/null || NOT_FOUND="$i $NOT_FOUND" done echo -e "Error: Required program could not be found: $NOT_FOUND" exit 1 fi #Check if readlink is installed and supports the -m option #It's not necessary, so no problem if it's not installed which readlink > /dev/null if [[ $? == 0 && $(readlink -m "//test" 2> /dev/null) == "/test" ]]; then HAVE_READLINK=1 else HAVE_READLINK=0 fi #Forcing to use the builtin printf, if it's present, because it's better #otherwise the external printf program will be used #Note that the external printf command can cause character encoding issues! builtin printf "" 2> /dev/null if [[ $? == 0 ]]; then PRINTF="builtin printf" PRINTF_OPT="-v o" else PRINTF=$(which printf) if [[ $? != 0 ]]; then echo -e "Error: Required program could not be found: printf" fi PRINTF_OPT="" fi #Print the message based on $QUIET variable function print { if [[ $QUIET == 0 ]]; then echo -ne "$1"; fi } #Returns unix timestamp function utime { echo $(date +%s) } #Remove temporary files function remove_temp_files { if [[ $DEBUG == 0 ]]; then rm -fr "$RESPONSE_FILE" rm -fr "$CHUNK_FILE" rm -fr "$TEMP_FILE" fi } #Returns the file size in bytes # generic GNU Linux: linux-gnu # windows cygwin: cygwin # raspberry pi: linux-gnueabihf # macosx: darwin10.0 # freebsd: FreeBSD # qnap: linux-gnueabi # iOS: darwin9 function file_size { #Some embedded linux devices if [[ $OSTYPE == "linux-gnueabi" || $OSTYPE == "linux-gnu" ]]; then stat -c "%s" "$1" return #Generic Unix elif [[ ${OSTYPE:0:5} == "linux" || $OSTYPE == "cygwin" || ${OSTYPE:0:7} == "solaris" ]]; then stat --format="%s" "$1" return #BSD, OSX and other OSs else stat -f "%z" "$1" return fi } #Usage function usage { echo -e "Dropbox Uploader v$VERSION" echo -e "Andrea Fabrizi - andrea.fabrizi@gmail.com\n" echo -e "Usage: $0 COMMAND [PARAMETERS]..." echo -e "\nCommands:" echo -e "\t upload <LOCAL_FILE/DIR ...> <REMOTE_FILE/DIR>" echo -e "\t download <REMOTE_FILE/DIR> [LOCAL_FILE/DIR]" echo -e "\t delete <REMOTE_FILE/DIR>" echo -e "\t move <REMOTE_FILE/DIR> <REMOTE_FILE/DIR>" echo -e "\t copy <REMOTE_FILE/DIR> <REMOTE_FILE/DIR>" echo -e "\t mkdir <REMOTE_DIR>" echo -e "\t list [REMOTE_DIR]" echo -e "\t share <REMOTE_FILE>" echo -e "\t info" echo -e "\t unlink" echo -e "\nOptional parameters:" echo -e "\t-f <FILENAME> Load the configuration file from a specific file" echo -e "\t-s Skip already existing files when download/upload. Default: Overwrite" echo -e "\t-d Enable DEBUG mode" echo -e "\t-q Quiet mode. Don't show messages" echo -e "\t-p Show cURL progress meter" echo -e "\t-k Doesn't check for SSL certificates (insecure)" echo -en "\nFor more info and examples, please see the README file.\n\n" remove_temp_files exit 1 } #Check the curl exit code function check_http_response { CODE=$? #Checking curl exit code case $CODE in #OK 0) ;; #Proxy error 5) print "\nError: Couldn't resolve proxy. The given proxy host could not be resolved.\n" remove_temp_files exit 1 ;; #Missing CA certificates 60|58) print "\nError: cURL is not able to performs peer SSL certificate verification.\n" print "Please, install the default ca-certificates bundle.\n" print "To do this in a Debian/Ubuntu based system, try:\n" print " sudo apt-get install ca-certificates\n\n" print "If the problem persists, try to use the -k option (insecure).\n" remove_temp_files exit 1 ;; 6) print "\nError: Couldn't resolve host.\n" remove_temp_files exit 1 ;; 7) print "\nError: Couldn't connect to host.\n" remove_temp_files exit 1 ;; esac #Checking response file for generic errors if grep -q "HTTP/1.1 400" "$RESPONSE_FILE"; then ERROR_MSG=$(sed -n -e 's/{"error": "\([^"]*\)"}/\1/p' "$RESPONSE_FILE") case $ERROR_MSG in *access?attempt?failed?because?this?app?is?not?configured?to?have*) echo -e "\nError: The Permission type/Access level configured doesn't match the DropBox App settings!\nPlease run \"$0 unlink\" and try again." exit 1 ;; esac fi } #Urlencode function urlencode { local string="${1}" local strlen=${#string} local encoded="" for (( pos=0 ; pos<strlen ; pos++ )); do c=${string:$pos:1} case "$c" in [-_.~a-zA-Z0-9] ) o="${c}" ;; * ) $PRINTF $PRINTF_OPT '%%%02x' "'$c" esac encoded+="${o}" done echo "$encoded" } function normalize_path { path=$(echo -e "$1") if [[ $HAVE_READLINK == 1 ]]; then readlink -m "$path" else echo "$path" fi } #Check if it's a file or directory #Returns FILE/DIR/ERR function db_stat { local FILE=$(normalize_path "$1") #Checking if it's a file or a directory $CURL_BIN $CURL_ACCEPT_CERTIFICATES -s --show-error --globoff -i -o "$RESPONSE_FILE" "$API_METADATA_URL/$ACCESS_LEVEL/$(urlencode "$FILE")?oauth_consumer_key=$APPKEY&oauth_token=$OAUTH_ACCESS_TOKEN&oauth_signature_method=PLAINTEXT&oauth_signature=$APPSECRET%26$OAUTH_ACCESS_TOKEN_SECRET&oauth_timestamp=$(utime)&oauth_nonce=$RANDOM" 2> /dev/null check_http_response #Even if the file/dir has been deleted from DropBox we receive a 200 OK response #So we must check if the file exists or if it has been deleted if grep -q "\"is_deleted\":" "$RESPONSE_FILE"; then local IS_DELETED=$(sed -n 's/.*"is_deleted":.\([^,]*\).*/\1/p' "$RESPONSE_FILE") else local IS_DELETED="false" fi #Exits... grep -q "^HTTP/1.1 200 OK" "$RESPONSE_FILE" if [[ $? == 0 && $IS_DELETED != "true" ]]; then local IS_DIR=$(sed -n 's/^\(.*\)\"contents":.\[.*/\1/p' "$RESPONSE_FILE") #It's a directory if [[ $IS_DIR != "" ]]; then echo "DIR" #It's a file else echo "FILE" fi #Doesn't exists else echo "ERR" fi } #Generic upload wrapper around db_upload_file and db_upload_dir functions #$1 = Local source file/dir #$2 = Remote destination file/dir function db_upload { local SRC=$(normalize_path "$1") local DST=$(normalize_path "$2") #Checking if the file/dir exists if [[ ! -e $SRC && ! -d $SRC ]]; then print " > No such file or directory: $SRC\n" ERROR_STATUS=1 return fi #Checking if the file/dir has read permissions if [[ ! -r $SRC ]]; then print " > Error reading file $SRC: permission denied\n" ERROR_STATUS=1 return fi #Checking if DST it's a folder or if it doesn' exists (in this case will be the destination name) TYPE=$(db_stat "$DST") if [[ $TYPE == "DIR" ]]; then local filename=$(basename "$SRC") DST="$DST/$filename" fi #It's a directory if [[ -d $SRC ]]; then db_upload_dir "$SRC" "$DST" #It's a file elif [[ -e $SRC ]]; then db_upload_file "$SRC" "$DST" #Unsupported object... else print " > Skipping not regular file \"$SRC\"\n" fi } #Generic upload wrapper around db_chunked_upload_file and db_simple_upload_file #The final upload function will be choosen based on the file size #$1 = Local source file #$2 = Remote destination file function db_upload_file { local FILE_SRC=$(normalize_path "$1") local FILE_DST=$(normalize_path "$2") shopt -s nocasematch #Checking not allowed file names basefile_dst=$(basename "$FILE_DST") if [[ $basefile_dst == "thumbs.db" || \ $basefile_dst == "desktop.ini" || \ $basefile_dst == ".ds_store" || \ $basefile_dst == "icon\r" || \ $basefile_dst == ".dropbox" || \ $basefile_dst == ".dropbox.attr" \ ]]; then print " > Skipping not allowed file name \"$FILE_DST\"\n" return fi shopt -u nocasematch #Checking file size FILE_SIZE=$(file_size "$FILE_SRC") #Checking if the file already exists TYPE=$(db_stat "$FILE_DST") if [[ $TYPE != "ERR" && $SKIP_EXISTING_FILES == 1 ]]; then print " > Skipping already existing file \"$FILE_DST\"\n" return fi if [[ $FILE_SIZE -gt 157286000 ]]; then #If the file is greater than 150Mb, the chunked_upload API will be used db_chunked_upload_file "$FILE_SRC" "$FILE_DST" else db_simple_upload_file "$FILE_SRC" "$FILE_DST" fi } #Simple file upload #$1 = Local source file #$2 = Remote destination file function db_simple_upload_file { local FILE_SRC=$(normalize_path "$1") local FILE_DST=$(normalize_path "$2") if [[ $SHOW_PROGRESSBAR == 1 && $QUIET == 0 ]]; then CURL_PARAMETERS="--progress-bar" LINE_CR="\n" else CURL_PARAMETERS="-s" LINE_CR="" fi print " > Uploading \"$FILE_SRC\" to \"$FILE_DST\"... $LINE_CR" $CURL_BIN $CURL_ACCEPT_CERTIFICATES $CURL_PARAMETERS -i --globoff -o "$RESPONSE_FILE" --upload-file "$FILE_SRC" "$API_UPLOAD_URL/$ACCESS_LEVEL/$(urlencode "$FILE_DST")?oauth_consumer_key=$APPKEY&oauth_token=$OAUTH_ACCESS_TOKEN&oauth_signature_method=PLAINTEXT&oauth_signature=$APPSECRET%26$OAUTH_ACCESS_TOKEN_SECRET&oauth_timestamp=$(utime)&oauth_nonce=$RANDOM" check_http_response #Check if grep -q "^HTTP/1.1 200 OK" "$RESPONSE_FILE"; then print "DONE\n" else print "FAILED\n" print "An error occurred requesting /upload\n" ERROR_STATUS=1 fi } #Chunked file upload #$1 = Local source file #$2 = Remote destination file function db_chunked_upload_file { local FILE_SRC=$(normalize_path "$1") local FILE_DST=$(normalize_path "$2") print " > Uploading \"$FILE_SRC\" to \"$FILE_DST\"" local FILE_SIZE=$(file_size "$FILE_SRC") local OFFSET=0 local UPLOAD_ID="" local UPLOAD_ERROR=0 local CHUNK_PARAMS="" #Uploading chunks... while ([[ $OFFSET != $FILE_SIZE ]]); do let OFFSET_MB=$OFFSET/1024/1024 #Create the chunk dd if="$FILE_SRC" of="$CHUNK_FILE" bs=1048576 skip=$OFFSET_MB count=$CHUNK_SIZE 2> /dev/null #Only for the first request these parameters are not included if [[ $OFFSET != 0 ]]; then CHUNK_PARAMS="upload_id=$UPLOAD_ID&offset=$OFFSET" fi #Uploading the chunk... $CURL_BIN $CURL_ACCEPT_CERTIFICATES -s --show-error --globoff -i -o "$RESPONSE_FILE" --upload-file "$CHUNK_FILE" "$API_CHUNKED_UPLOAD_URL?$CHUNK_PARAMS&oauth_consumer_key=$APPKEY&oauth_token=$OAUTH_ACCESS_TOKEN&oauth_signature_method=PLAINTEXT&oauth_signature=$APPSECRET%26$OAUTH_ACCESS_TOKEN_SECRET&oauth_timestamp=$(utime)&oauth_nonce=$RANDOM" 2> /dev/null check_http_response #Check if grep -q "^HTTP/1.1 200 OK" "$RESPONSE_FILE"; then print "." UPLOAD_ERROR=0 UPLOAD_ID=$(sed -n 's/.*"upload_id": *"*\([^"]*\)"*.*/\1/p' "$RESPONSE_FILE") OFFSET=$(sed -n 's/.*"offset": *\([^}]*\).*/\1/p' "$RESPONSE_FILE") else print "*" let UPLOAD_ERROR=$UPLOAD_ERROR+1 #On error, the upload is retried for max 3 times if [[ $UPLOAD_ERROR -gt 2 ]]; then print " FAILED\n" print "An error occurred requesting /chunked_upload\n" ERROR_STATUS=1 return fi fi done UPLOAD_ERROR=0 #Commit the upload while (true); do $CURL_BIN $CURL_ACCEPT_CERTIFICATES -s --show-error --globoff -i -o "$RESPONSE_FILE" --data "upload_id=$UPLOAD_ID&oauth_consumer_key=$APPKEY&oauth_token=$OAUTH_ACCESS_TOKEN&oauth_signature_method=PLAINTEXT&oauth_signature=$APPSECRET%26$OAUTH_ACCESS_TOKEN_SECRET&oauth_timestamp=$(utime)&oauth_nonce=$RANDOM" "$API_CHUNKED_UPLOAD_COMMIT_URL/$ACCESS_LEVEL/$(urlencode "$FILE_DST")" 2> /dev/null check_http_response #Check if grep -q "^HTTP/1.1 200 OK" "$RESPONSE_FILE"; then print "." UPLOAD_ERROR=0 break else print "*" let UPLOAD_ERROR=$UPLOAD_ERROR+1 #On error, the commit is retried for max 3 times if [[ $UPLOAD_ERROR -gt 2 ]]; then print " FAILED\n" print "An error occurred requesting /commit_chunked_upload\n" ERROR_STATUS=1 return fi fi done print " DONE\n" } #Directory upload #$1 = Local source dir #$2 = Remote destination dir function db_upload_dir { local DIR_SRC=$(normalize_path "$1") local DIR_DST=$(normalize_path "$2") #Creatig remote directory db_mkdir "$DIR_DST" for file in "$DIR_SRC/"*; do db_upload "$file" "$DIR_DST" done } #Returns the free space on DropBox in bytes function db_free_quota { $CURL_BIN $CURL_ACCEPT_CERTIFICATES -s --show-error --globoff -i -o "$RESPONSE_FILE" --data "oauth_consumer_key=$APPKEY&oauth_token=$OAUTH_ACCESS_TOKEN&oauth_signature_method=PLAINTEXT&oauth_signature=$APPSECRET%26$OAUTH_ACCESS_TOKEN_SECRET&oauth_timestamp=$(utime)&oauth_nonce=$RANDOM" "$API_INFO_URL" 2> /dev/null check_http_response #Check if grep -q "^HTTP/1.1 200 OK" "$RESPONSE_FILE"; then quota=$(sed -n 's/.*"quota": \([0-9]*\).*/\1/p' "$RESPONSE_FILE") used=$(sed -n 's/.*"normal": \([0-9]*\).*/\1/p' "$RESPONSE_FILE") let free_quota=$quota-$used echo $free_quota else echo 0 fi } #Generic download wrapper #$1 = Remote source file/dir #$2 = Local destination file/dir function db_download { local SRC=$(normalize_path "$1") local DST=$(normalize_path "$2") TYPE=$(db_stat "$SRC") #It's a directory if [[ $TYPE == "DIR" ]]; then #If the DST folder is not specified, I assume that is the current directory if [[ $DST == "" ]]; then DST="." fi #Checking if the destination directory exists if [[ ! -d $DST ]]; then local basedir="" else local basedir=$(basename "$SRC") fi local DEST_DIR=$(normalize_path "$DST/$basedir") print " > Downloading \"$SRC\" to \"$DEST_DIR\"... \n" print " > Creating local directory \"$DEST_DIR\"... " mkdir -p "$DEST_DIR" #Check if [[ $? == 0 ]]; then print "DONE\n" else print "FAILED\n" ERROR_STATUS=1 return fi #Extracting directory content [...] #and replacing "}, {" with "}\n{" #I don't like this piece of code... but seems to be the only way to do this with SED, writing a portable code... local DIR_CONTENT=$(sed -n 's/.*: \[{\(.*\)/\1/p' "$RESPONSE_FILE" | sed 's/}, *{/}\ {/g') #Extracting files and subfolders TMP_DIR_CONTENT_FILE="${RESPONSE_FILE}_$RANDOM" echo "$DIR_CONTENT" | sed -n 's/.*"path": *"\([^"]*\)",.*"is_dir": *\([^"]*\),.*/\1:\2/p' > $TMP_DIR_CONTENT_FILE #For each entry... while read -r line; do local FILE=${line%:*} local TYPE=${line#*:} #Removing unneeded / FILE=${FILE##*/} if [[ $TYPE == "false" ]]; then db_download_file "$SRC/$FILE" "$DEST_DIR/$FILE" else db_download "$SRC/$FILE" "$DEST_DIR" fi done < $TMP_DIR_CONTENT_FILE rm -fr $TMP_DIR_CONTENT_FILE #It's a file elif [[ $TYPE == "FILE" ]]; then #Checking DST if [[ $DST == "" ]]; then DST=$(basename "$SRC") fi #If the destination is a directory, the file will be download into if [[ -d $DST ]]; then DST="$DST/$SRC" fi db_download_file "$SRC" "$DST" #Doesn't exists else print " > No such file or directory: $SRC\n" ERROR_STATUS=1 return fi } #Simple file download #$1 = Remote source file #$2 = Local destination file function db_download_file { local FILE_SRC=$(normalize_path "$1") local FILE_DST=$(normalize_path "$2") if [[ $SHOW_PROGRESSBAR == 1 && $QUIET == 0 ]]; then CURL_PARAMETERS="--progress-bar" LINE_CR="\n" else CURL_PARAMETERS="-s" LINE_CR="" fi #Checking if the file already exists if [[ -e $FILE_DST && $SKIP_EXISTING_FILES == 1 ]]; then print " > Skipping already existing file \"$FILE_DST\"\n" return fi #Creating the empty file, that for two reasons: #1) In this way I can check if the destination file is writable or not #2) Curl doesn't automatically creates files with 0 bytes size dd if=/dev/zero of="$FILE_DST" count=0 2> /dev/null if [[ $? != 0 ]]; then print " > Error writing file $FILE_DST: permission denied\n" ERROR_STATUS=1 return fi print " > Downloading \"$FILE_SRC\" to \"$FILE_DST\"... $LINE_CR" $CURL_BIN $CURL_ACCEPT_CERTIFICATES $CURL_PARAMETERS --globoff -D "$RESPONSE_FILE" -o "$FILE_DST" "$API_DOWNLOAD_URL/$ACCESS_LEVEL/$(urlencode "$FILE_SRC")?oauth_consumer_key=$APPKEY&oauth_token=$OAUTH_ACCESS_TOKEN&oauth_signature_method=PLAINTEXT&oauth_signature=$APPSECRET%26$OAUTH_ACCESS_TOKEN_SECRET&oauth_timestamp=$(utime)&oauth_nonce=$RANDOM" check_http_response #Check if grep -q "^HTTP/1.1 200 OK" "$RESPONSE_FILE"; then print "DONE\n" else print "FAILED\n" rm -fr "$FILE_DST" ERROR_STATUS=1 return fi } #Prints account info function db_account_info { print "Dropbox Uploader v$VERSION\n\n" print " > Getting info... " $CURL_BIN $CURL_ACCEPT_CERTIFICATES -s --show-error --globoff -i -o "$RESPONSE_FILE" --data "oauth_consumer_key=$APPKEY&oauth_token=$OAUTH_ACCESS_TOKEN&oauth_signature_method=PLAINTEXT&oauth_signature=$APPSECRET%26$OAUTH_ACCESS_TOKEN_SECRET&oauth_timestamp=$(utime)&oauth_nonce=$RANDOM" "$API_INFO_URL" 2> /dev/null check_http_response #Check if grep -q "^HTTP/1.1 200 OK" "$RESPONSE_FILE"; then name=$(sed -n 's/.*"display_name": "\([^"]*\).*/\1/p' "$RESPONSE_FILE") echo -e "\n\nName:\t$name" uid=$(sed -n 's/.*"uid": \([0-9]*\).*/\1/p' "$RESPONSE_FILE") echo -e "UID:\t$uid" email=$(sed -n 's/.*"email": "\([^"]*\).*/\1/p' "$RESPONSE_FILE") echo -e "Email:\t$email" quota=$(sed -n 's/.*"quota": \([0-9]*\).*/\1/p' "$RESPONSE_FILE") let quota_mb=$quota/1024/1024 echo -e "Quota:\t$quota_mb Mb" used=$(sed -n 's/.*"normal": \([0-9]*\).*/\1/p' "$RESPONSE_FILE") let used_mb=$used/1024/1024 echo -e "Used:\t$used_mb Mb" let free_mb=($quota-$used)/1024/1024 echo -e "Free:\t$free_mb Mb" echo "" else print "FAILED\n" ERROR_STATUS=1 fi } #Account unlink function db_unlink { echo -ne "Are you sure you want unlink this script from your Dropbox account? [y/n]" read answer if [[ $answer == "y" ]]; then rm -fr "$CONFIG_FILE" echo -ne "DONE\n" fi } #Delete a remote file #$1 = Remote file to delete function db_delete { local FILE_DST=$(normalize_path "$1") print " > Deleting \"$FILE_DST\"... " $CURL_BIN $CURL_ACCEPT_CERTIFICATES -s --show-error --globoff -i -o "$RESPONSE_FILE" --data "oauth_consumer_key=$APPKEY&oauth_token=$OAUTH_ACCESS_TOKEN&oauth_signature_method=PLAINTEXT&oauth_signature=$APPSECRET%26$OAUTH_ACCESS_TOKEN_SECRET&oauth_timestamp=$(utime)&oauth_nonce=$RANDOM&root=$ACCESS_LEVEL&path=$(urlencode "$FILE_DST")" "$API_DELETE_URL" 2> /dev/null check_http_response #Check if grep -q "^HTTP/1.1 200 OK" "$RESPONSE_FILE"; then print "DONE\n" else print "FAILED\n" ERROR_STATUS=1 fi } #Move/Rename a remote file #$1 = Remote file to rename or move #$2 = New file name or location function db_move { local FILE_SRC=$(normalize_path "$1") local FILE_DST=$(normalize_path "$2") TYPE=$(db_stat "$FILE_DST") #If the destination it's a directory, the source will be moved into it if [[ $TYPE == "DIR" ]]; then local filename=$(basename "$FILE_SRC") FILE_DST=$(normalize_path "$FILE_DST/$filename") fi print " > Moving \"$FILE_SRC\" to \"$FILE_DST\" ... " $CURL_BIN $CURL_ACCEPT_CERTIFICATES -s --show-error --globoff -i -o "$RESPONSE_FILE" --data "oauth_consumer_key=$APPKEY&oauth_token=$OAUTH_ACCESS_TOKEN&oauth_signature_method=PLAINTEXT&oauth_signature=$APPSECRET%26$OAUTH_ACCESS_TOKEN_SECRET&oauth_timestamp=$(utime)&oauth_nonce=$RANDOM&root=$ACCESS_LEVEL&from_path=$(urlencode "$FILE_SRC")&to_path=$(urlencode "$FILE_DST")" "$API_MOVE_URL" 2> /dev/null check_http_response #Check if grep -q "^HTTP/1.1 200 OK" "$RESPONSE_FILE"; then print "DONE\n" else print "FAILED\n" ERROR_STATUS=1 fi } #Copy a remote file to a remote location #$1 = Remote file to rename or move #$2 = New file name or location function db_copy { local FILE_SRC=$(normalize_path "$1") local FILE_DST=$(normalize_path "$2") TYPE=$(db_stat "$FILE_DST") #If the destination it's a directory, the source will be copied into it if [[ $TYPE == "DIR" ]]; then local filename=$(basename "$FILE_SRC") FILE_DST=$(normalize_path "$FILE_DST/$filename") fi print " > Copying \"$FILE_SRC\" to \"$FILE_DST\" ... " $CURL_BIN $CURL_ACCEPT_CERTIFICATES -s --show-error --globoff -i -o "$RESPONSE_FILE" --data "oauth_consumer_key=$APPKEY&oauth_token=$OAUTH_ACCESS_TOKEN&oauth_signature_method=PLAINTEXT&oauth_signature=$APPSECRET%26$OAUTH_ACCESS_TOKEN_SECRET&oauth_timestamp=$(utime)&oauth_nonce=$RANDOM&root=$ACCESS_LEVEL&from_path=$(urlencode "$FILE_SRC")&to_path=$(urlencode "$FILE_DST")" "$API_COPY_URL" 2> /dev/null check_http_response #Check if grep -q "^HTTP/1.1 200 OK" "$RESPONSE_FILE"; then print "DONE\n" else print "FAILED\n" ERROR_STATUS=1 fi } #Create a new directory #$1 = Remote directory to create function db_mkdir { local DIR_DST=$(normalize_path "$1") print " > Creating Directory \"$DIR_DST\"... " $CURL_BIN $CURL_ACCEPT_CERTIFICATES -s --show-error --globoff -i -o "$RESPONSE_FILE" --data "oauth_consumer_key=$APPKEY&oauth_token=$OAUTH_ACCESS_TOKEN&oauth_signature_method=PLAINTEXT&oauth_signature=$APPSECRET%26$OAUTH_ACCESS_TOKEN_SECRET&oauth_timestamp=$(utime)&oauth_nonce=$RANDOM&root=$ACCESS_LEVEL&path=$(urlencode "$DIR_DST")" "$API_MKDIR_URL" 2> /dev/null check_http_response #Check if grep -q "^HTTP/1.1 200 OK" "$RESPONSE_FILE"; then print "DONE\n" elif grep -q "^HTTP/1.1 403 Forbidden" "$RESPONSE_FILE"; then print "ALREADY EXISTS\n" else print "FAILED\n" ERROR_STATUS=1 fi } #List remote directory #$1 = Remote directory function db_list { local DIR_DST=$(normalize_path "$1") print " > Listing \"$DIR_DST\"... " $CURL_BIN $CURL_ACCEPT_CERTIFICATES -s --show-error --globoff -i -o "$RESPONSE_FILE" "$API_METADATA_URL/$ACCESS_LEVEL/$(urlencode "$DIR_DST")?oauth_consumer_key=$APPKEY&oauth_token=$OAUTH_ACCESS_TOKEN&oauth_signature_method=PLAINTEXT&oauth_signature=$APPSECRET%26$OAUTH_ACCESS_TOKEN_SECRET&oauth_timestamp=$(utime)&oauth_nonce=$RANDOM" 2> /dev/null check_http_response #Check if grep -q "^HTTP/1.1 200 OK" "$RESPONSE_FILE"; then local IS_DIR=$(sed -n 's/^\(.*\)\"contents":.\[.*/\1/p' "$RESPONSE_FILE") #It's a directory if [[ $IS_DIR != "" ]]; then print "DONE\n" #Extracting directory content [...] #and replacing "}, {" with "}\n{" #I don't like this piece of code... but seems to be the only way to do this with SED, writing a portable code... local DIR_CONTENT=$(sed -n 's/.*: \[{\(.*\)/\1/p' "$RESPONSE_FILE" | sed 's/}, *{/}\ {/g') #Converting escaped quotes to unicode format echo "$DIR_CONTENT" | sed 's/\\"/\\u0022/' > "$TEMP_FILE" #Extracting files and subfolders rm -fr "$RESPONSE_FILE" while read -r line; do local FILE=$(echo "$line" | sed -n 's/.*"path": *"\([^"]*\)".*/\1/p') local IS_DIR=$(echo "$line" | sed -n 's/.*"is_dir": *\([^,]*\).*/\1/p') local SIZE=$(echo "$line" | sed -n 's/.*"bytes": *\([0-9]*\).*/\1/p') echo -e "$FILE:$IS_DIR;$SIZE" >> "$RESPONSE_FILE" done < "$TEMP_FILE" #Looking for the biggest file size #to calculate the padding to use local padding=0 while read -r line; do local FILE=${line%:*} local META=${line##*:} local SIZE=${META#*;} if [[ ${#SIZE} -gt $padding ]]; then padding=${#SIZE} fi done < "$RESPONSE_FILE" #For each entry, printing directories... while read -r line; do local FILE=${line%:*} local META=${line##*:} local TYPE=${META%;*} local SIZE=${META#*;} #Removing unneeded / FILE=${FILE##*/} if [[ $TYPE != "false" ]]; then FILE=$(echo -e "$FILE") $PRINTF " [D] %-${padding}s %s\n" "$SIZE" "$FILE" fi done < "$RESPONSE_FILE" #For each entry, printing files... while read -r line; do local FILE=${line%:*} local META=${line##*:} local TYPE=${META%;*} local SIZE=${META#*;} #Removing unneeded / FILE=${FILE##*/} if [[ $TYPE == "false" ]]; then FILE=$(echo -e "$FILE") $PRINTF " [F] %-${padding}s %s\n" "$SIZE" "$FILE" fi done < "$RESPONSE_FILE" #It's a file else print "FAILED: $DIR_DST is not a directory!\n" ERROR_STATUS=1 fi else print "FAILED\n" ERROR_STATUS=1 fi } #Share remote file #$1 = Remote file function db_share { local FILE_DST=$(normalize_path "$1") $CURL_BIN $CURL_ACCEPT_CERTIFICATES -s --show-error --globoff -i -o "$RESPONSE_FILE" "$API_SHARES_URL/$ACCESS_LEVEL/$(urlencode "$FILE_DST")?oauth_consumer_key=$APPKEY&oauth_token=$OAUTH_ACCESS_TOKEN&oauth_signature_method=PLAINTEXT&oauth_signature=$APPSECRET%26$OAUTH_ACCESS_TOKEN_SECRET&oauth_timestamp=$(utime)&oauth_nonce=$RANDOM&short_url=false" 2> /dev/null check_http_response #Check if grep -q "^HTTP/1.1 200 OK" "$RESPONSE_FILE"; then print " > Share link: " echo $(sed -n 's/.*"url": "\([^"]*\).*/\1/p' "$RESPONSE_FILE") else print "FAILED\n" ERROR_STATUS=1 fi } ################ #### SETUP #### ################ #CHECKING FOR AUTH FILE if [[ -e $CONFIG_FILE ]]; then #Loading data... and change old format config if necesary. source "$CONFIG_FILE" 2>/dev/null || { sed -i'' 's/:/=/' "$CONFIG_FILE" && source "$CONFIG_FILE" 2>/dev/null } #Checking the loaded data if [[ $APPKEY == "" || $APPSECRET == "" || $OAUTH_ACCESS_TOKEN_SECRET == "" || $OAUTH_ACCESS_TOKEN == "" ]]; then echo -ne "Error loading data from $CONFIG_FILE...\n" echo -ne "It is recommended to run $0 unlink\n" remove_temp_files exit 1 fi #Back compatibility with previous Dropbox Uploader versions if [[ $ACCESS_LEVEL == "" ]]; then ACCESS_LEVEL="dropbox" fi #NEW SETUP... else echo -ne "\n This is the first time you run this script.\n\n" echo -ne " 1) Open the following URL in your Browser, and log in using your account: $APP_CREATE_URL\n" echo -ne " 2) Click on \"Create App\", then select \"Dropbox API app\"\n" echo -ne " 3) Select \"Files and datastores\"\n" echo -ne " 4) Now go on with the configuration, choosing the app permissions and access restrictions to your DropBox folder\n" echo -ne " 5) Enter the \"App Name\" that you prefer (e.g. MyUploader$RANDOM$RANDOM$RANDOM)\n\n" echo -ne " Now, click on the \"Create App\" button.\n\n" echo -ne " When your new App is successfully created, please type the\n" echo -ne " App Key, App Secret and the Permission type shown in the confirmation page:\n\n" #Getting the app key and secret from the user while (true); do echo -n " # App key: " read APPKEY echo -n " # App secret: " read APPSECRET echo -n " # Permission type, App folder or Full Dropbox [a/f]: " read ACCESS_LEVEL if [[ $ACCESS_LEVEL == "a" ]]; then ACCESS_LEVEL="sandbox" ACCESS_MSG="App Folder" else ACCESS_LEVEL="dropbox" ACCESS_MSG="Full Dropbox" fi echo -ne "\n > App key is $APPKEY, App secret is $APPSECRET and Access level is $ACCESS_MSG. Looks ok? [y/n]: " read answer if [[ $answer == "y" ]]; then break; fi done #TOKEN REQUESTS echo -ne "\n > Token request... " $CURL_BIN $CURL_ACCEPT_CERTIFICATES -s --show-error --globoff -i -o "$RESPONSE_FILE" --data "oauth_consumer_key=$APPKEY&oauth_signature_method=PLAINTEXT&oauth_signature=$APPSECRET%26&oauth_timestamp=$(utime)&oauth_nonce=$RANDOM" "$API_REQUEST_TOKEN_URL" 2> /dev/null check_http_response OAUTH_TOKEN_SECRET=$(sed -n 's/oauth_token_secret=\([a-z A-Z 0-9]*\).*/\1/p' "$RESPONSE_FILE") OAUTH_TOKEN=$(sed -n 's/.*oauth_token=\([a-z A-Z 0-9]*\)/\1/p' "$RESPONSE_FILE") if [[ $OAUTH_TOKEN != "" && $OAUTH_TOKEN_SECRET != "" ]]; then echo -ne "OK\n" else echo -ne " FAILED\n\n Please, check your App key and secret...\n\n" remove_temp_files exit 1 fi while (true); do #USER AUTH echo -ne "\n Please open the following URL in your browser, and allow Dropbox Uploader\n" echo -ne " to access your DropBox folder:\n\n --> ${API_USER_AUTH_URL}?oauth_token=$OAUTH_TOKEN\n" echo -ne "\nPress enter when done...\n" read #API_ACCESS_TOKEN_URL echo -ne " > Access Token request... " $CURL_BIN $CURL_ACCEPT_CERTIFICATES -s --show-error --globoff -i -o "$RESPONSE_FILE" --data "oauth_consumer_key=$APPKEY&oauth_token=$OAUTH_TOKEN&oauth_signature_method=PLAINTEXT&oauth_signature=$APPSECRET%26$OAUTH_TOKEN_SECRET&oauth_timestamp=$(utime)&oauth_nonce=$RANDOM" "$API_ACCESS_TOKEN_URL" 2> /dev/null check_http_response OAUTH_ACCESS_TOKEN_SECRET=$(sed -n 's/oauth_token_secret=\([a-z A-Z 0-9]*\)&.*/\1/p' "$RESPONSE_FILE") OAUTH_ACCESS_TOKEN=$(sed -n 's/.*oauth_token=\([a-z A-Z 0-9]*\)&.*/\1/p' "$RESPONSE_FILE") OAUTH_ACCESS_UID=$(sed -n 's/.*uid=\([0-9]*\)/\1/p' "$RESPONSE_FILE") if [[ $OAUTH_ACCESS_TOKEN != "" && $OAUTH_ACCESS_TOKEN_SECRET != "" && $OAUTH_ACCESS_UID != "" ]]; then echo -ne "OK\n" #Saving data in new format, compatible with source command. echo "APPKEY=$APPKEY" > "$CONFIG_FILE" echo "APPSECRET=$APPSECRET" >> "$CONFIG_FILE" echo "ACCESS_LEVEL=$ACCESS_LEVEL" >> "$CONFIG_FILE" echo "OAUTH_ACCESS_TOKEN=$OAUTH_ACCESS_TOKEN" >> "$CONFIG_FILE" echo "OAUTH_ACCESS_TOKEN_SECRET=$OAUTH_ACCESS_TOKEN_SECRET" >> "$CONFIG_FILE" echo -ne "\n Setup completed!\n" break else print " FAILED\n" ERROR_STATUS=1 fi done; remove_temp_files exit $ERROR_STATUS fi ################ #### START #### ################ COMMAND=${@:$OPTIND:1} ARG1=${@:$OPTIND+1:1} ARG2=${@:$OPTIND+2:1} let argnum=$#-$OPTIND #CHECKING PARAMS VALUES case $COMMAND in upload) if [[ $argnum -lt 2 ]]; then usage fi FILE_DST=${@:$#:1} for (( i=$OPTIND+1; i<$#; i++ )); do FILE_SRC=${@:$i:1} db_upload "$FILE_SRC" "/$FILE_DST" done ;; download) if [[ $argnum -lt 1 ]]; then usage fi FILE_SRC=$ARG1 FILE_DST=$ARG2 db_download "/$FILE_SRC" "$FILE_DST" ;; share) if [[ $argnum -lt 1 ]]; then usage fi FILE_DST=$ARG1 db_share "/$FILE_DST" ;; info) db_account_info ;; delete|remove) if [[ $argnum -lt 1 ]]; then usage fi FILE_DST=$ARG1 db_delete "/$FILE_DST" ;; move|rename) if [[ $argnum -lt 2 ]]; then usage fi FILE_SRC=$ARG1 FILE_DST=$ARG2 db_move "/$FILE_SRC" "/$FILE_DST" ;; copy) if [[ $argnum -lt 2 ]]; then usage fi FILE_SRC=$ARG1 FILE_DST=$ARG2 db_copy "/$FILE_SRC" "/$FILE_DST" ;; mkdir) if [[ $argnum -lt 1 ]]; then usage fi DIR_DST=$ARG1 db_mkdir "/$DIR_DST" ;; list) DIR_DST=$ARG1 #Checking DIR_DST if [[ $DIR_DST == "" ]]; then DIR_DST="/" fi db_list "/$DIR_DST" ;; unlink) db_unlink ;; *) if [[ $COMMAND != "" ]]; then print "Error: Unknown command: $COMMAND\n\n" ERROR_STATUS=1 fi usage ;; esac remove_temp_files exit $ERROR_STATUS
到此，相信大家对“如何编写shell脚本将VPS上的数据备份到Dropbox网盘”有了更深的了解，不妨来实际操作一番吧！这里是亿速云网站，更多相关内容可以进入相关频道进行查询，关注我们，继续学习！
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