v2024.11.06
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378
hosts/kraken.sh
Executable file
378
hosts/kraken.sh
Executable file
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#! Name: kraken.sh
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#! Author: kittykat
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#! Version: 2024.09.22
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#! Desc: Add support for downloading and processing of urls for a new host
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#! Usage: Copy this file into the ./${ScriptDir}/hosts/ folder
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#!
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#!
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#! ------------ REQUIRED SECTION ---------------
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#! @[UPDATE] HostAndDomainRegexes: This string is loaded into mad.sh and allows dynamic handling of new url data
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#! Format: '/HostCode/HostNick/HostFuncPrefix:HostDomainRegex@'
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#! HostCode: <aUniqueCodeForHost> (ie. 'fh' for filehaus -- cannot be used by other hosts)
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#! HostNick: What is displayed throughout MAD output (ie. 'filehaus' -- "urls.txt has 10 filehaus.." will be displayed)
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#! HostFuncPrefix: <aUniqueStringThatMustPrefixHostFunctions> (ie. 'fh' -- fh_DownloadFile(), fh_FetchFileInfo() .. )
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#! * Note: Must begin with a letter a-z (functions beginning with numbers are no bueno)
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#! HostDomainRegex: The regex used to verify matching urls
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HostCode='kraken'
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HostNick='kraken'
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HostFuncPrefix='kraken'
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HostUrls='krakenfiles.com'
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HostDomainRegex='^(http|https)://(.*\.)?krakenfiles\.com'
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#!
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#! !! DO NOT UPDATE OR REMOVE !!
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#! This merges the Required HostAndDomainRegexes into mad.sh
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ListHostAndDomainRegexes=${ListHostAndDomainRegexes}'/'${HostCode}'/'${HostNick}'/'${HostFuncPrefix}'/'${HostUrls}':'${HostDomainRegex}'@'
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#!
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#!
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#! ------------ (1) Host Main Download Function --------------- #
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#!
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#! @REQUIRED: Host Main Download function
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#! Must be named specifically as such:
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#! <HostFuncPrefix>_DownloadFile()
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kraken_DownloadFile() {
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local remote_url=${1}
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local file_url=${1}
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local filecnt=${2}
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warnAndRetryUnknownError=false
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exitDownloadError=false
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exitDownloadNotAvailable=false
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fileAlreadyDone=false
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download_inflight_path="${WorkDir}/.inflight/"
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mkdir -p "$download_inflight_path"
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completed_location="${WorkDir}/downloads/"
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tor_identity="${RANDOM}"
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finalAttempt="false"
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for ((z=0; z<=$MaxUrlRetries; z++)); do
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if [ $z -eq $MaxUrlRetries ] ; then
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finalAttempt="true"
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fi
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CLEANSTRING=${remote_url//[^a-zA-Z0-9]/}
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trap "rm -f ${WorkDir}/.flocks/${CLEANSTRING}; echo ""; tput cnorm; exit" 0 1 2 3 6 15
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if kraken_FetchFileInfo "" $((i+1)) $finalAttempt && kraken_GetFile "${filecnt}" $((z+1)) $finalAttempt ; then
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return 0
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elif [ $z -lt $MaxUrlRetries ]; then
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if [ "${fileAlreadyDone}" == "true" ] ; then
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break
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fi
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if [[ "${warnAndRetryUnknownError}" == "true" ]] ; then
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if [ "${DebugAllEnabled}" == "true" ] ; then
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debugHtml "${remote_url##*/}" "error" "Retry due to an unknown issue: attempt #$((z+1)) of ${MaxUrlRetries}"
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fi
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fi
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if [[ "${exitDownloadError}" == "true" || "${exitDownloadNotAvailable}" == "true" ]] ; then
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if [ "${DebugAllEnabled}" == "true" ] ; then
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debugHtml "${remote_url##*/}" "error" "Exit due to unrecoverable issue"
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fi
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rm -f "${WorkDir}/.flocks/${remote_url//[^a-zA-Z0-9]/}"
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break
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fi
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echo -e "\n${YELLOW}A recoverable error occurred, retry attempt $((z+1))/${MaxUrlRetries}${NC}"
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sleep 3
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fi
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done
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rm -f "${WorkDir}/.flocks/${remote_url//[^a-zA-Z0-9]/}"
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}
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#!
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#! ------------- (2) Fetch File Info Function ----------------- #
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#!
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kraken_FetchFileInfo() {
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fileCnt=$1
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retryCnt=$2
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finalAttempt=$3
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if grep -Eqi 'krakenfiles.com/download/' <<< "${remote_url}" ; then
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fixed_url=${remote_url/krakenfiles.com\/download\//krakenfiles.com\/view\/}
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else
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fixed_url=${remote_url}
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fi
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if ! grep -Eqi '/file.html' <<< "${fixed_url}" ; then
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fixed_url=${fixed_url}'/file.html'
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fi
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krak_id=${fixed_url%%\/file.htm*}
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krak_id=${krak_id##*\/}
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krak_id=${krak_id//[^a-zA-Z0-9]/}
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echo -e "${GREEN}# Fetching file info…${NC}"
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local num_attempt=$1
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mkdir -p "${WorkDir}/.temp"
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local max_attempts=${CircuitRetries}
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local iter=0 instance_no="$fileCnt" time_out=5 instances="$2" kraken_cookie_jar="" tor_identity="" PAGE="" kraken_token="" kraken_action=""
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mkdir -p "${WorkDir}/.temp"
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for ((i=1; i<=5; i++)); do
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printf " ."
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kraken_cookie_jar=$(mktemp "${WorkDir}/.temp/kraken_cookies""${instance_no}"".XXXXXX")
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tor_identity="${RANDOM}"
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trap "rm -f ${WorkDir}/.flocks/${CLEANSTRING}; rm -f ${kraken_cookie_jar}; echo ""; tput cnorm; exit" 0 1 2 3 6 15
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PAGE=$(tor_curl_request --insecure --max-time "$ConnectTimeout" -s -L -c "${kraken_cookie_jar}" "${fixed_url}")
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if [ "${DebugAllEnabled}" == "true" ] ; then
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debugHtml "${krak_id}" "kraken_token${num_attempt}_$i" "url: ${fixed_url}"$'\n'"krakenid: ${krak_id}"$'\n'"${PAGE}"
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fi
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if grep -Eqi 'sendFormCaptcha()' <<< "${PAGE}"; then
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rm -f "$kraken_cookie_jar";
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printf "\n"
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echo -e "${RED}| Captcha required (Recaptcha)${NC}"
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exitDownloadError=true
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failedRetryDownload "${remote_url}" "Captcha required (Recaptcha)" ""
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return 1
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fi
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if ! grep -Eqi 'name="token" value="' <<< "${PAGE}"; then
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if grep -Eqi 'a page that either has been deleted or never existed' <<< "${PAGE}"; then
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rm -f "$kraken_cookie_jar";
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printf "\n"
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echo -e "${RED}| The file has been deleted or does not exist.${NC}"
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exitDownloadError=true
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removedDownload "${remote_url}"
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return 1
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fi
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if grep -Eqi 'class="alert-danger"' <<< "${PAGE}"; then
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rm -f "$kraken_cookie_jar";
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req_msg=$(grep -oP '(?<=class="alert-danger").*(?=</span>)' <<< "$PAGE")
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req_msg=$(grep -oP '">\K[^>]+' <<< "$req_msg")
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printf "\n"
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echo -e "${RED}| ${req_msg}.${NC}"
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exitDownloadError=true
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failedRetryDownload "${remote_url}" "$req_msg" ""
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return 1
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fi
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if grep -Eqi '521: Web server is down' <<< "${PAGE}"; then
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rm -f "$kraken_cookie_jar";
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printf "\n"
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echo -e "${RED}| 521: Web server is down. Try again later${NC}"
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exitDownloadError=true
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failedRetryDownload "${remote_url}" "521: Web server is down. Try again later" ""
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return 1
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fi
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if grep -Eqi 'Oops! Why you’re here?' <<< "${PAGE}"; then
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rm -f "$kraken_cookie_jar";
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req_msg=$(grep -oP '(?<=nk-error-text">).*(?=</)' <<< "$PAGE")
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printf "\n"
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echo -e "${RED}| ${req_msg}.${NC}"
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exitDownloadError=true
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failedRetryDownload "${remote_url}" "$req_msg" ""
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return 1
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fi
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else
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kraken_token=$(grep -oP 'name="token" value="\K[^"]+' <<< "${PAGE}")
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kraken_action=$(grep -oP 'form action="\K[^"]+' <<< "${PAGE}")
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kraken_action="https://krakenfiles.com/download/${kraken_action##*/}"
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if [[ $kraken_token ]]; then
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if [[ -s kraken_token ]] || [[ -s kraken_action ]] ; then
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continue
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fi
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printf "\n"
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echo -e "${GREEN}| Kraken token found.${NC}"
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break
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fi
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fi
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done
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echo -e "\n# Attempting to get download url"
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CLEANSTRING=${remote_url//[^a-zA-Z0-9]/}
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trap "rm -f ${WorkDir}/.flocks/${CLEANSTRING}; rm -f ${kraken_cookie_jar}; echo ""; tput cnorm; exit" 0 1 2 3 6 15
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down_request=$(tor_curl_request --insecure -L -s -b "${kraken_cookie_jar}" -c "${kraken_cookie_jar}" -F "token=${kraken_token}" "${kraken_action}")
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if [ "${DebugAllEnabled}" == "true" ] ; then
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debugHtml "${krak_id}" "kraken_url${num_attempt}_1" "action: ${kraken_action}, token: ${kraken_token}"$'\n'"${down_request}"
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fi
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if ! grep -Eqi '"status":"ok"' <<< "${down_request}"; then
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echo -e "${RED}| Failed to get download url${NC}"
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rm -f "$kraken_cookie_jar";
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return 1
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else
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kraken_url=$(grep -oP '"url":"\K[^"]+' <<< "${down_request}")
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download_url=${kraken_url//\\/}
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download_url=${download_url//\/\//\/}
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download_url=$(urlencode_literal_grouped_case_urlendingonly "$download_url")
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echo -e "${GREEN}| Download url found.${NC}"
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fi
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CLEANSTRING=${remote_url//[^a-zA-Z0-9]/}
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trap "rm -f ${WorkDir}/.flocks/${CLEANSTRING}; rm -f ${kraken_cookie_jar}; echo ""; tput cnorm; exit" 0 1 2 3 6 15
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file_header=$(tor_curl_request --insecure --head -L -s -b "${kraken_cookie_jar}" -c "${kraken_cookie_jar}" --referer "$kraken_action" "$download_url")
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if [ "${DebugAllEnabled}" == "true" ] ; then
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debugHtml "${krak_id}" "kraken_head$j" "download_url: ${download_url}"$'\n'"${file_header}"
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fi
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rm -f "$kraken_cookie_jar";
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if [ ! -z "$file_header" ] ; then
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if grep -Eqi '404 Not Found' <<< "${file_header}" ; then
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echo -e "${RED}| The file has been removed (404).${NC}"
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removedDownload "${remote_url}"
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exitDownloadNotAvailable=true
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return 1
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fi
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if grep -Eqi 'HTTP/2 522|HTTP/1.1 522' <<< $file_header ; then
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echo -e "${RED}| The server returned an error (522).${NC} Try again later.${NC}"
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failedRetryDownload "${remote_url}" "522: The requested resource could not be loaded because the server returned an error. Try again later." ""
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exitDownloadNotAvailable=true
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return 1
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fi
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if ! grep -Eqi 'HTTP/2 200|HTTP/1.1 200|200 OK' <<< $file_header ; then
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echo -e "${RED}| Bad http response.${NC}"
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if [ "${finalAttempt}" == "true" ] ; then
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failedRetryDownload "${remote_url}" "" ""
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fi
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return 1
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fi
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if [ "$filename_override" == "" ] ; then
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if grep -Eqi 'filename=' <<< "${file_header}" ; then
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filename=$(grep -oP 'filename=\K.*$' <<< "${file_header}")
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filename=${filename##filename}
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filename=${filename//\"/}
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filename=${filename//[$'\t\r\n']}
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else
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echo -e "${RED}| Failed to extract file name.${NC}"
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if [ "${finalAttempt}" == "true" ] ; then
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failedRetryDownload "${remote_url}" "" ""
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fi
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return 1
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fi
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fi
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if ! grep -Eqi 'Content-Length' <<< "${file_header}" ; then
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echo -e "${RED}| Failed to extract file size.${NC}"
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if [ "${finalAttempt}" == "true" ] ; then
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failedRetryDownload "${remote_url}" "" ""
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fi
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return 1
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fi
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else
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echo -e "${RED}| No response. Try again later.${NC}"
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if [ "${finalAttempt}" == "true" ] ; then
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failedRetryDownload "${remote_url}" "" ""
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fi
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return 1
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fi
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touch ${WorkDir}/.flocks/${remote_url//[^a-zA-Z0-9]/}
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if [ ! "$filename_override" == "" ] ; then
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filename="$filename_override"
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fi
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filename=$(sanitize_file_or_folder_name "${filename}")
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file_size_bytes=$(grep -oPi '(?<=content-length: ).*' <<< "$file_header")
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file_size_bytes=${file_size_bytes//[$'\t\r\n']}
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if [ -z $file_size_bytes ] ; then
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if [ "${finalAttempt}" == "true" ] ; then
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failedRetryDownload "${remote_url}" "Filesize not found!" ""
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fi
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echo -e "${YELLOW}| Filesize not found… retry${NC}"
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return 1
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else
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file_size_readable="$(numfmt --to=iec --from=auto --format "%.2f" <<< "$file_size_bytes")"
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fi
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echo -e "${YELLOW}| File size:${NC}\t${file_size_readable}"
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file_path="${download_inflight_path}${filename}"
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echo -e "${YELLOW}| File name:${NC}\t\"${filename}\""
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flockDownload="${WorkDir}/.flocks/${filename//[^a-zA-Z0-9\.\_\-]/}.flock"
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if CheckFileSize "${remote_url}" "${file_size_bytes}" ; then
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return 1
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fi
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if CheckDownloadExists "$remote_url" "$MoveToFolder" "$filecnt" "$filename" "$file_path" "$completed_location" ; then
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return 1
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fi
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echo "${remote_url//[^a-zA-Z0-9]/}" > $flockDownload
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}
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#!
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#! ----------- (3) Fetch File / Download File Function --------------- #
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#!
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kraken_GetFile() {
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echo -e "${GREEN}# Downloading…"
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echo -e "${YELLOW}| File path:${NC}\t./.inflight/${filename}\n"
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fileCnt=$1
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retryCnt=$2
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finalAttempt=$3
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flockDownload="${WorkDir}/.flocks/${filename//[^a-zA-Z0-9\.\_\-]/}.flock"
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for ((j=1; j<=$MaxDownloadRetries; j++)); do
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pd_presize=0
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if [ -f "$file_path" ] ; then
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pd_presize=$(stat --format="%s" "$file_path" | tr -d '[:space:]')
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fi
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GetRandomUA
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CLEANSTRING=${remote_url//[^a-zA-Z0-9]/}
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trap "rm -f ${WorkDir}/.flocks/${CLEANSTRING}; rm -f $flockDownload; echo ""; tput cnorm; exit" 0 1 2 3 6 15
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if [ "${RateMonitorEnabled}" == "true" ] && [ ! -f "$file_path" ]; then
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tor_curl_request --insecure --speed-limit $DownloadSpeedMin --speed-time $DownloadTimeoutInterval --referer "$kraken_action" "$download_url" --continue-at - --output "$file_path"
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else
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tor_curl_request --insecure --referer "$kraken_action" "$download_url" --continue-at - --output "$file_path"
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fi
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received_file_size=0
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if [ -f "$file_path" ] ; then
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received_file_size=$(stat --format="%s" "$file_path" | tr -d '[:space:]')
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fi
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if CheckNoHtml "$remote_url" "$filename" "$file_path" ; then
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containsHtml=false
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else
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containsHtml=true
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fi
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downDelta=$(( received_file_size - pd_presize ))
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if [[ "${received_file_size}" -ne "${file_size_bytes}" ]] || [ "$containsHtml" == "true" ]; then
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if [ "${AutoRepairBadPartials}" == "true" ] && (( downDelta > 0 && downDelta < 1024 )) ; then
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if [ -f "${file_path}" ] ; then
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if ((pd_presize > 0)); then
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echo -e "${YELLOW}Bad node / HTML found:${NC} reverting to previous file..."
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truncateDownload "$remote_url" "$filename" "$pd_presize" "$received_file_size"
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truncate -s $pd_presize "${file_path}"
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else
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echo -e "${YELLOW}Bad node / HTML found:${NC} tainted partial removed..."
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rm -f "${file_path}"
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fi
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fi
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if ((j >= $MaxDownloadRetries)) ; then
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rm -f "$flockDownload";
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if [ "${finalAttempt}" == "true" ] ; then
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droppedSizeBadDownload "${remote_url}" "${filename}" "${received_file_size}"
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fi
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return 1
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else
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continue
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fi
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elif [ "${AutoRepairBadPartials}" == "true" ] && [ "$containsHtml" == "true" ] ; then
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if [ -f "${file_path}" ] ; then
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if ((pd_presize > 0)); then
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echo -e "${YELLOW}Bad node / HTML found:${NC} reverting to previous file..."
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truncateDownload "$remote_url" "$filename" "$pd_presize" "$received_file_size"
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truncate -s $pd_presize "${file_path}"
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else
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echo -e "${YELLOW}Bad node / HTML found:${NC} tainted partial removed..."
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rm -f "${file_path}"
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fi
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fi
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if ((j >= $MaxDownloadRetries)) ; then
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rm -f "$flockDownload";
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if [ "${finalAttempt}" == "true" ] ; then
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droppedSizeBadDownload "${remote_url}" "${filename}" "${received_file_size}"
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fi
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return 1
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else
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continue
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fi
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elif (( downDelta > 0 && downDelta < 1024 )) || [ "$containsHtml" == "true" ] ; then
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if [ -f "$file_path" ] ; then
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rm -rf "$file_path"
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fi
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echo -e "\n${YELLOW}Bad node / HTML found:${NC} tainted partial removed..."
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if ((j >= $MaxDownloadRetries)) ; then
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rm -f "$flockDownload";
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if [ "${finalAttempt}" == "true" ] ; then
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droppedSizeBadDownload "${remote_url}" "${filename}" "${received_file_size}"
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fi
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return 1
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else
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continue
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fi
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fi
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if [[ "${received_file_size}" -ne "${file_size_bytes}" ]]; then
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echo -e "\n${RED}Download failed, file is incomplete.${NC}"
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if ((j >= $MaxDownloadRetries)) ; then
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rm -f "$flockDownload";
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if [ "${finalAttempt}" == "true" ] ; then
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droppedSizeBadDownload "${remote_url}" "${filename}" "${received_file_size}"
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fi
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return 1
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else
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continue
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fi
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fi
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else
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break
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fi
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done
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rm -f "$flockDownload";
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ProcessCompletedDownload "$remote_url" "$MoveToFolder" "$filecnt" "$filename" "$file_size_bytes" "$completed_location" "$file_path"
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return 0
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}
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#!
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#! --------------- Host Extra Functions ------------------- #
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#!
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