From 6c6bbce5a4b40ef93b325a8224f036a094a6467e Mon Sep 17 00:00:00 2001
From: Arun Prakash Jana <engineerarun@gmail.com>
Date: Sun, 10 Mar 2019 23:59:12 +0530
Subject: [PATCH] Add imgur upload script

Source: https://github.com/jomo/imgur-screenshot
---
 user-scripts/imgur.sh | 554 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 554 insertions(+)
 create mode 100755 user-scripts/imgur.sh

diff --git a/user-scripts/imgur.sh b/user-scripts/imgur.sh
new file mode 100755
index 00000000..675a3f0d
--- /dev/null
+++ b/user-scripts/imgur.sh
@@ -0,0 +1,554 @@
+#!/usr/bin/env bash
+# https://github.com/jomo/imgur-screenshot
+# https://imgur.com/tools
+#
+# Slightly modified for `nnn` integration
+
+if [ "${1}" = "--debug" ]; then
+  echo "########################################"
+  echo "Enabling debug mode"
+  echo "Please remove credentials before pasting"
+  echo "########################################"
+  echo ""
+  uname -a
+  for arg in ${0} "${@}"; do
+    echo -n "'${arg}' "
+  done
+  echo -e "\n"
+  shift
+  set -x
+fi
+
+current_version="v1.7.4"
+
+function is_mac() {
+  uname | grep -q "Darwin"
+}
+
+### IMGUR-SCREENSHOT DEFAULT CONFIG ####
+
+# You can override the config in ~/.config/imgur-screenshot/settings.conf
+
+imgur_anon_id="ea6c0ef2987808e"
+imgur_icon_path="${HOME}/Pictures/imgur.png"
+
+imgur_acct_key=""
+imgur_secret=""
+login="false"
+album_title=""
+album_id=""
+credentials_file="${HOME}/.config/imgur-screenshot/credentials.conf"
+
+file_name_format="imgur-%Y_%m_%d-%H:%M:%S.png" # when using scrot, must end with .png!
+file_dir="${HOME}/Pictures"
+
+upload_connect_timeout="5"
+upload_timeout="120"
+upload_retries="1"
+
+if is_mac; then
+  screenshot_select_command="screencapture -i %img"
+  screenshot_window_command="screencapture -iWa %img"
+  screenshot_full_command="screencapture %img"
+  open_command="open %url"
+else
+  screenshot_select_command="scrot -s %img"
+  screenshot_window_command="scrot %img"
+  screenshot_full_command="scrot %img"
+  open_command="xdg-open %url"
+fi
+open="true"
+
+mode="select"
+edit_command="gimp %img"
+edit="false"
+exit_on_album_creation_fail="true"
+
+log_file="${HOME}/.imgur-screenshot.log"
+
+auto_delete=""
+copy_url="true"
+keep_file="true"
+check_update="true"
+
+# NOTICE: if you make changes here, also edit the docs at
+# https://github.com/jomo/imgur-screenshot/wiki/Config
+
+# You can override the config in ~/.config/imgur-screenshot/settings.conf
+
+############## END CONFIG ##############
+
+settings_path="${HOME}/.config/imgur-screenshot/settings.conf"
+if [ -f "${settings_path}" ]; then
+  source "${settings_path}"
+fi
+
+# dependency check
+if [ "${1}" = "--check" ]; then
+  (which grep &>/dev/null && echo "OK: found grep") || echo "ERROR: grep not found"
+  if is_mac; then
+    if which growlnotify &>/dev/null; then
+      echo "OK: found growlnotify"
+    elif which terminal-notifier &>/dev/null; then
+      echo "OK: found terminal-notifier"
+    else
+      echo "ERROR: growlnotify nor terminal-notifier found"
+    fi
+    (which screencapture &>/dev/null && echo "OK: found screencapture") || echo "ERROR: screencapture not found"
+    (which pbcopy &>/dev/null && echo "OK: found pbcopy") || echo "ERROR: pbcopy not found"
+  else
+    (which notify-send &>/dev/null && echo "OK: found notify-send") || echo "ERROR: notify-send (from libnotify-bin) not found"
+    (which scrot &>/dev/null && echo "OK: found scrot") || echo "ERROR: scrot not found"
+    (which xclip &>/dev/null && echo "OK: found xclip") || echo "ERROR: xclip not found"
+  fi
+  (which curl &>/dev/null && echo "OK: found curl") || echo "ERROR: curl not found"
+  exit 0
+fi
+
+
+# notify <'ok'|'error'> <title> <text>
+function notify() {
+  if is_mac; then
+    if which growlnotify &>/dev/null; then
+      growlnotify  --icon "${imgur_icon_path}" --iconpath "${imgur_icon_path}" --title "${2}" --message "${3}"
+    else
+      terminal-notifier -appIcon "${imgur_icon_path}" -contentImage "${imgur_icon_path}" -title "imgur: ${2}" -message "${3}"
+    fi
+  else
+    if [ "${1}" = "error" ]; then
+      notify-send -a ImgurScreenshot -u critical -c "im.error" -i "${imgur_icon_path}" -t 500 "imgur: ${2}" "${3}"
+    else
+      notify-send -a ImgurScreenshot -u low -c "transfer.complete" -i "${imgur_icon_path}" -t 500 "imgur: ${2}" "${3}"
+    fi
+  fi
+}
+
+function take_screenshot() {
+  echo "Please select area"
+  is_mac || sleep 0.1 # https://bbs.archlinux.org/viewtopic.php?pid=1246173#p1246173
+
+  cmd="screenshot_${mode}_command"
+  cmd=${!cmd//\%img/${1}}
+
+  shot_err="$(${cmd} &>/dev/null)" #takes a screenshot with selection
+  if [ "${?}" != "0" ]; then
+    echo "Failed to take screenshot '${1}': '${shot_err}'. For more information visit https://github.com/jomo/imgur-screenshot/wiki/Troubleshooting" | tee -a "${log_file}"
+    notify error "Something went wrong :(" "Information has been logged"
+    exit 1
+  fi
+}
+
+function check_for_update() {
+  # exit non-zero on HTTP error, output only the body (no stats) but output errors, follow redirects, output everything to stdout
+  remote_version="$(curl --compressed -fsSL --stderr - "https://api.github.com/repos/jomo/imgur-screenshot/releases" | egrep -m 1 --color 'tag_name":\s*".*"' | cut -d '"' -f 4)"
+  if [ "${?}" -eq "0" ]; then
+    if [ ! "${current_version}" = "${remote_version}" ] && [ ! -z "${current_version}" ] && [ ! -z "${remote_version}" ]; then
+      echo "Update found!"
+      echo "Version ${remote_version} is available (You have ${current_version})"
+      notify ok "Update found" "Version ${remote_version} is available (You have ${current_version}). https://github.com/jomo/imgur-screenshot"
+      echo "Check https://github.com/jomo/imgur-screenshot/releases/${remote_version} for more info."
+    elif [ -z "${current_version}" ] || [ -z "${remote_version}" ]; then
+      echo "Invalid empty version string"
+      echo "Current (local) version: '${current_version}'"
+      echo "Latest (remote) version: '${remote_version}'"
+    else
+      echo "Version ${current_version} is up to date."
+    fi
+  else
+    echo "Failed to check for latest version: ${remote_version}"
+  fi
+}
+
+function check_oauth2_client_secrets() {
+  if [ -z "${imgur_acct_key}" ] || [ -z "${imgur_secret}" ]; then
+    echo "In order to upload to your account, register a new application at:"
+    echo "https://api.imgur.com/oauth2/addclient"
+    echo "Select 'OAuth 2 authorization without a callback URL'"
+    echo "Then, set the imgur_acct_key (Client ID) and imgur_secret in your config."
+    exit 1
+  fi
+}
+
+function load_access_token() {
+  token_expire_time=0
+  # check for saved access_token and its expiration date
+  if [ -f "${credentials_file}" ]; then
+    source "${credentials_file}"
+  fi
+  current_time="$(date +%s)"
+  preemptive_refresh_time="$((10*60))"
+  expired="$((current_time > (token_expire_time - preemptive_refresh_time)))"
+  if [ ! -z "${refresh_token}" ]; then
+    # token already set
+    if [ "${expired}" -eq "0" ]; then
+      # token expired
+      refresh_access_token "${credentials_file}"
+    fi
+  else
+    acquire_access_token "${credentials_file}"
+  fi
+}
+
+function acquire_access_token() {
+  check_oauth2_client_secrets
+  # prompt for a PIN
+  authorize_url="https://api.imgur.com/oauth2/authorize?client_id=${imgur_acct_key}&response_type=pin"
+  echo "Go to"
+  echo "${authorize_url}"
+  echo "and grant access to this application."
+  read -rp "Enter the PIN: " imgur_pin
+
+  if [ -z "${imgur_pin}" ]; then
+    echo "PIN not entered, exiting"
+    exit 1
+  fi
+
+  # exchange the PIN for access token and refresh token
+  response="$(curl --compressed -fsSL --stderr - \
+    -F "client_id=${imgur_acct_key}" \
+    -F "client_secret=${imgur_secret}" \
+    -F "grant_type=pin" \
+    -F "pin=${imgur_pin}" \
+    https://api.imgur.com/oauth2/token)"
+  save_access_token "${response}" "${1}"
+}
+
+function refresh_access_token() {
+  check_oauth2_client_secrets
+  token_url="https://api.imgur.com/oauth2/token"
+  # exchange the refresh token for access_token and refresh_token
+  response="$(curl --compressed -fsSL --stderr - -F "client_id=${imgur_acct_key}" -F "client_secret=${imgur_secret}" -F "grant_type=refresh_token" -F "refresh_token=${refresh_token}" "${token_url}")"
+  if [ ! "${?}" -eq "0" ]; then
+    # curl failed
+    handle_upload_error "${response}" "${token_url}"
+    exit 1
+  fi
+  save_access_token "${response}" "${1}"
+}
+
+function save_access_token() {
+  if ! grep -q "access_token" <<<"${1}"; then
+    # server did not send access_token
+    echo "Error: Something is wrong with your credentials:"
+    echo "${1}"
+    exit 1
+  fi
+
+  access_token="$(egrep -o 'access_token":".*"' <<<"${1}" | cut -d '"' -f 3)"
+  refresh_token="$(egrep -o 'refresh_token":".*"' <<<"${1}" | cut -d '"' -f 3)"
+  expires_in="$(egrep -o 'expires_in":[0-9]*' <<<"${1}" | cut -d ':' -f 2)"
+  token_expire_time="$(( $(date +%s) + expires_in ))"
+
+  # create dir if not exist
+  mkdir -p "$(dirname "${2}")" 2>/dev/null
+  touch "${2}" && chmod 600 "${2}"
+  cat <<EOF > "${2}"
+access_token="${access_token}"
+refresh_token="${refresh_token}"
+token_expire_time="${token_expire_time}"
+EOF
+}
+
+function fetch_account_info() {
+  response="$(curl --compressed --connect-timeout "${upload_connect_timeout}" -m "${upload_timeout}" --retry "${upload_retries}" -fsSL --stderr - -H "Authorization: Bearer ${access_token}" https://api.imgur.com/3/account/me)"
+  if egrep -q '"success":\s*true' <<<"${response}"; then
+    username="$(egrep -o '"url":\s*"[^"]+"' <<<"${response}" | cut -d "\"" -f 4)"
+    echo "Logged in as ${username}."
+    echo "https://${username}.imgur.com"
+  else
+    echo "Failed to fetch info: ${response}"
+  fi
+}
+
+function delete_image() {
+  response="$(curl --compressed -X DELETE  -fsSL --stderr - -H "Authorization: Client-ID ${1}" "https://api.imgur.com/3/image/${2}")"
+  if egrep -q '"success":\s*true' <<<"${response}"; then
+    echo "Image successfully deleted (delete hash: ${2})." >> "${3}"
+  else
+    echo "The Image could not be deleted: ${response}." >> "${3}"
+  fi
+}
+
+function upload_authenticated_image() {
+  echo "Uploading '${1}'..."
+  title="$(echo "${1}" | rev | cut -d "/" -f 1 | cut -d "." -f 2- | rev)"
+  if [ -n "${album_id}" ]; then
+    response="$(curl --compressed --connect-timeout "${upload_connect_timeout}" -m "${upload_timeout}" --retry "${upload_retries}" -fsSL --stderr - -F "title=${title}" -F "image=@\"${1}\"" -F "album=${album_id}" -H "Authorization: Bearer ${access_token}" https://api.imgur.com/3/image)"
+  else
+    response="$(curl --compressed --connect-timeout "${upload_connect_timeout}" -m "${upload_timeout}" --retry "${upload_retries}" -fsSL --stderr - -F "title=${title}" -F "image=@\"${1}\"" -H "Authorization: Bearer ${access_token}" https://api.imgur.com/3/image)"
+  fi
+
+  # JSON parser premium edition (not really)
+  if egrep -q '"success":\s*true' <<<"${response}"; then
+    img_id="$(egrep -o '"id":\s*"[^"]+"' <<<"${response}" | cut -d "\"" -f 4)"
+    img_ext="$(egrep -o '"link":\s*"[^"]+"' <<<"${response}" | cut -d "\"" -f 4 | rev | cut -d "." -f 1 | rev)" # "link" itself has ugly '\/' escaping and no https!
+    del_id="$(egrep -o '"deletehash":\s*"[^"]+"' <<<"${response}" | cut -d "\"" -f 4)"
+
+    if [ ! -z "${auto_delete}" ]; then
+      export -f delete_image
+      echo "Deleting image in ${auto_delete} seconds."
+      nohup /bin/bash -c "sleep ${auto_delete} && delete_image ${imgur_anon_id} ${del_id} ${log_file}" &
+    fi
+
+    handle_upload_success "https://i.imgur.com/${img_id}.${img_ext}" "https://imgur.com/delete/${del_id}" "${1}"
+  else # upload failed
+    err_msg="$(egrep -o '"error":\s*"[^"]+"' <<<"${response}" | cut -d "\"" -f 4)"
+    test -z "${err_msg}" && err_msg="${response}"
+    handle_upload_error "${err_msg}" "${1}"
+  fi
+}
+
+function upload_anonymous_image() {
+  echo "Uploading '${1}'..."
+  title="$(echo "${1}" | rev | cut -d "/" -f 1 | cut -d "." -f 2- | rev)"
+  if [ -n "${album_id}" ]; then
+    response="$(curl --compressed --connect-timeout "${upload_connect_timeout}" -m "${upload_timeout}" --retry "${upload_retries}" -fsSL --stderr - -H "Authorization: Client-ID ${imgur_anon_id}" -F "title=${title}" -F "image=@\"${1}\"" -F "album=${album_id}" https://api.imgur.com/3/image)"
+  else
+    response="$(curl --compressed --connect-timeout "${upload_connect_timeout}" -m "${upload_timeout}" --retry "${upload_retries}" -fsSL --stderr - -H "Authorization: Client-ID ${imgur_anon_id}" -F "title=${title}" -F "image=@\"${1}\"" https://api.imgur.com/3/image)"
+  fi
+  # JSON parser premium edition (not really)
+  if egrep -q '"success":\s*true' <<<"${response}"; then
+    img_id="$(egrep -o '"id":\s*"[^"]+"' <<<"${response}" | cut -d "\"" -f 4)"
+    img_ext="$(egrep -o '"link":\s*"[^"]+"' <<<"${response}" | cut -d "\"" -f 4 | rev | cut -d "." -f 1 | rev)" # "link" itself has ugly '\/' escaping and no https!
+    del_id="$(egrep -o '"deletehash":\s*"[^"]+"' <<<"${response}" | cut -d "\"" -f 4)"
+
+    if [ ! -z "${auto_delete}" ]; then
+      export -f delete_image
+      echo "Deleting image in ${auto_delete} seconds."
+      nohup /bin/bash -c "sleep ${auto_delete} && delete_image ${imgur_anon_id} ${del_id} ${log_file}" &
+    fi
+
+    handle_upload_success "https://i.imgur.com/${img_id}.${img_ext}" "https://imgur.com/delete/${del_id}" "${1}"
+  else # upload failed
+    err_msg="$(egrep -o '"error":\s*"[^"]+"' <<<"${response}" | cut -d "\"" -f 4)"
+    test -z "${err_msg}" && err_msg="${response}"
+    handle_upload_error "${err_msg}" "${1}"
+  fi
+}
+
+function handle_upload_success() {
+  echo ""
+  echo "image  link: ${1}"
+  echo "delete link: ${2}"
+
+  if [ "${copy_url}" = "true" ] && [ -z "${album_title}" ]; then
+    if is_mac; then
+      echo -n "${1}" | pbcopy
+    else
+      echo -n "${1}" | xclip -selection clipboard
+    fi
+    echo "URL copied to clipboard"
+  fi
+
+  # print to log file: image link, image location, delete link
+  echo -e "${1}\t${3}\t${2}" >> "${log_file}"
+
+  notify ok "Upload done!" "${1}"
+
+#  if [ ! -z "${open_command}" ] && [ "${open}" = "true" ]; then
+#    open_cmd=${open_command//\%url/${1}}
+#    open_cmd=${open_cmd//\%img/${2}}
+#    echo "Opening '${open_cmd}'"
+#    eval "${open_cmd}"
+#  fi
+}
+
+function handle_upload_error() {
+  error="Upload failed: \"${1}\""
+  echo "${error}"
+  echo -e "Error\t${2}\t${error}" >> "${log_file}"
+  notify error "Upload failed :(" "${1}"
+}
+
+function handle_album_creation_success() {
+  echo ""
+  echo "Album  link: ${1}"
+  echo "Delete hash: ${2}"
+  echo ""
+
+  notify ok "Album created!" "${1}"
+
+  if [ "${copy_url}" = "true" ]; then
+    if is_mac; then
+      echo -n "${1}" | pbcopy
+    else
+      echo -n "${1}" | xclip -selection clipboard
+    fi
+    echo "URL copied to clipboard"
+  fi
+
+  # print to log file: album link, album title, delete hash
+  echo -e "${1}\t\"${3}\"\t${2}" >> "${log_file}"
+}
+
+function handle_album_creation_error() {
+  error="Album creation failed: \"${1}\""
+  echo -e "Error\t${2}\t${error}" >> "${log_file}"
+  notify error "Album creation failed :(" "${1}"
+  if [ ${exit_on_album_creation_fail} ]; then
+    exit 1
+  fi
+}
+
+while [ ${#} != 0 ]; do
+  case "${1}" in
+  -h | --help)
+    echo "usage: ${0} [--debug] [-c | --check | -v | -h | -u]"
+    echo "       ${0} [--debug] [option]... [file]..."
+    echo ""
+    echo "      --debug                  Enable debugging, must be first option"
+    echo "  -h, --help                   Show this help, exit"
+    echo "  -v, --version                Show current version, exit"
+    echo "      --check                  Check if all dependencies are installed, exit"
+    echo "  -c, --connect                Show connected imgur account, exit"
+    echo "  -o, --open <true|false>      Override 'open' config"
+    echo "  -e, --edit <true|false>      Override 'edit' config"
+    echo "  -i, --edit-command <command> Override 'edit_command' config (include '%img'), sets --edit 'true'"
+    echo "  -l, --login <true|false>     Override 'login' config"
+    echo "  -a, --album <album_title>    Create new album and upload there"
+    echo "  -A, --album-id <album_id>    Override 'album_id' config"
+    echo "  -k, --keep-file <true|false> Override 'keep_file' config"
+    echo "  -d, --auto-delete <s>        Automatically delete image after <s> seconds"
+    echo "  -u, --update                 Check for updates, exit"
+    echo "  file                         Upload file instead of taking a screenshot"
+    exit 0;;
+  -v | --version)
+    echo "${current_version}"
+    exit 0;;
+  -s | --select)
+    mode="select"
+    shift;;
+  -w | --window)
+    mode="window"
+    shift;;
+  -f | --full)
+    mode="full"
+    shift;;
+  -o | --open)
+    open="${2}"
+    shift 2;;
+  -e | --edit)
+    edit="${2}"
+    shift 2;;
+  -i | --edit-command)
+    edit_command="${2}"
+    edit="true"
+    shift 2;;
+  -l | --login)
+    login="${2}"
+    shift 2;;
+  -c | --connect)
+    load_access_token
+    fetch_account_info
+    exit 0;;
+  -a | --album)
+    album_title="${2}"
+    shift 2;;
+  -A | --album-id)
+    album_id="${2}"
+    shift 2;;
+  -k | --keep-file)
+    keep_file="${2}"
+    shift 2;;
+  -d | --auto-delete)
+    auto_delete="${2}"
+    shift 2;;
+  -u | --update)
+    check_for_update
+    exit 0;;
+  *)
+    upload_files=("${@}")
+    break;;
+  esac
+done
+
+if [ "${login}" = "true" ]; then
+  # load before changing directory
+  load_access_token
+fi
+
+
+if [ -n "${album_title}" ]; then
+  if [ "${login}" = "true" ]; then
+    response="$(curl -fsSL --stderr - \
+      -F "title=${album_title}" \
+      -H "Authorization: Bearer ${access_token}" \
+      https://api.imgur.com/3/album)"
+  else
+    response="$(curl -fsSL --stderr - \
+      -F "title=${album_title}" \
+      -H "Authorization: Client-ID ${imgur_anon_id}" \
+      https://api.imgur.com/3/album)"
+  fi
+  if egrep -q '"success":\s*true' <<<"${response}"; then # Album creation successful
+    echo "Album '${album_title}' successfully created"
+    album_id="$(egrep -o '"id":\s*"[^"]+"' <<<"${response}" | cut -d "\"" -f 4)"
+    del_id="$(egrep -o '"deletehash":\s*"[^"]+"' <<<"${response}" | cut -d "\"" -f 4)"
+    handle_album_creation_success "http://imgur.com/a/${album_id}" "${del_id}" "${album_title}"
+
+    if [ "${login}" = "false" ]; then
+      album_id="${del_id}"
+    fi
+  else # Album creation failed
+    err_msg="$(egrep -o '"error":\s*"[^"]+"' <<<"${response}" | cut -d "\"" -f 4)"
+    test -z "${err_msg}" && err_msg="${response}"
+    handle_album_creation_error "${err_msg}" "${album_title}"
+  fi
+fi
+
+if [ -z "${upload_files}" ]; then
+  upload_files[0]=""
+fi
+
+for upload_file in "${upload_files[@]}"; do
+
+  if [ -z "${upload_file}" ]; then
+    cd "${file_dir}" || exit 1
+
+    # new filename with date
+    img_file="$(date +"${file_name_format}")"
+    take_screenshot "${img_file}"
+  else
+    # upload file instead of screenshot
+    img_file="${upload_file}"
+  fi
+
+  # get full path
+  img_file="$(cd "$( dirname "${img_file}")" && echo "$(pwd)/$(basename "${img_file}")")"
+
+  # check if file exists
+  if [ ! -f "${img_file}" ]; then
+    echo "file '${img_file}' doesn't exist !"
+    exit 1
+  fi
+
+  # open image in editor if configured
+  if [ "${edit}" = "true" ]; then
+    edit_cmd=${edit_command//\%img/${img_file}}
+    echo "Opening editor '${edit_cmd}'"
+    if ! (eval "${edit_cmd}"); then
+      echo "Error for image '${img_file}': command '${edit_cmd}' failed, not uploading. For more information visit https://github.com/jomo/imgur-screenshot/wiki/Troubleshooting" | tee -a "${log_file}"
+      notify error "Something went wrong :(" "Information has been logged"
+      exit 1
+    fi
+  fi
+
+  if [ "${login}" = "true" ]; then
+    upload_authenticated_image "${img_file}"
+  else
+    upload_anonymous_image "${img_file}"
+  fi
+
+  # delete file if configured
+  if [ "${keep_file}" = "false" ] && [ -z "${1}" ]; then
+    echo "Deleting temp file ${file_dir}/${img_file}"
+    rm -rf "${img_file}"
+  fi
+
+  echo ""
+done
+
+
+if [ "${check_update}" = "true" ]; then
+  check_for_update
+fi