Merge pull request #368 from rjorgenson/public_ip_segment

Public ip segment

1 files changed, 73 insertions, 0 deletions

diff --git a/powerlevel9k.zsh-theme b/powerlevel9k.zsh-theme
index 9e89f68d..95a2a5ea 100755
--- a/powerlevel9k.zsh-theme
+++ b/powerlevel9k.zsh-theme
@@ -426,6 +426,79 @@ prompt_battery() {
   fi
 }
 
+prompt_public_ip() {
+  # set default values for segment
+  set_default POWERLEVEL9K_PUBLIC_IP_TIMEOUT "300"
+  set_default POWERLEVEL9K_PUBLIC_IP_NONE ""
+  set_default POWERLEVEL9K_PUBLIC_IP_FILE "/tmp/p9k_public_ip"
+  set_default POWERLEVEL9K_PUBLIC_IP_HOST "http://ident.me"
+
+  # Do we need a fresh IP?
+  local refresh_ip=false
+  if [[ -f $POWERLEVEL9K_PUBLIC_IP_FILE ]]; then
+    typeset -i timediff
+    # if saved IP is more than
+    timediff=$(($(date +%s) - $(date -r $POWERLEVEL9K_PUBLIC_IP_FILE +%s)))
+    [[ $timediff -gt $POWERLEVEL9K_PUBLIC_IP_TIMEOUT ]] && refresh_ip=true
+    # If tmp file is empty get a fresh IP
+    [[ -z $(cat $POWERLEVEL9K_PUBLIC_IP_FILE) ]] && refresh_ip=true
+    [[ -n $POWERLEVEL9K_PUBLIC_IP_NONE ]] && [[ $(cat $POWERLEVEL9K_PUBLIC_IP_FILE) =~ "$POWERLEVEL9K_PUBLIC_IP_NONE" ]] && refresh_ip=true
+  else
+    touch $POWERLEVEL9K_PUBLIC_IP_FILE && refresh_ip=true
+  fi
+
+  # grab a fresh IP if needed
+  if [[ $refresh_ip =~ true && -w $POWERLEVEL9K_PUBLIC_IP_FILE ]]; then
+    # if method specified, don't use fallback methods
+    if [[ -n $POWERLEVEL9K_PUBLIC_IP_METHOD ]] && [[ $POWERLEVEL9K_PUBLIC_IP_METHOD =~ 'wget|curl|dig' ]]; then
+      local method=$POWERLEVEL9K_PUBLIC_IP_METHOD
+    fi
+    if [[ -n $method ]]; then
+      case $method in
+        'dig')
+          if type -p dig >/dev/null; then
+              fresh_ip="$(dig +time=1 +tries=1 +short myip.opendns.com @resolver1.opendns.com 2> /dev/null)"
+              [[ "$fresh_ip" =~ ^\; ]] && unset fresh_ip
+          fi
+          ;;
+        'curl')
+          if [[ -z "$fresh_ip" ]] && type -p curl >/dev/null; then
+              fresh_ip="$(curl --max-time 10 -w '\n' "$POWERLEVEL9K_PUBLIC_IP_HOST" 2> /dev/null)"
+          fi
+          ;;
+        'wget')
+          if [[ -z "$fresh_ip" ]] && type -p wget >/dev/null; then
+              fresh_ip="$(wget -T 10 -qO- "$POWERLEVEL9K_PUBLIC_IP_HOST" 2> /dev/null)"
+          fi
+          ;;
+      esac
+    else
+      if type -p dig >/dev/null; then
+          fresh_ip="$(dig +time=1 +tries=1 +short myip.opendns.com @resolver1.opendns.com 2> /dev/null)"
+          [[ "$fresh_ip" =~ ^\; ]] && unset fresh_ip
+      fi
+
+      if [[ -z "$fresh_ip" ]] && type -p curl >/dev/null; then
+          fresh_ip="$(curl --max-time 10 -w '\n' "$POWERLEVEL9K_PUBLIC_IP_HOST" 2> /dev/null)"
+      fi
+
+      if [[ -z "$fresh_ip" ]] && type -p wget >/dev/null; then
+          fresh_ip="$(wget -T 10 -qO- "$POWERLEVEL9K_PUBLIC_IP_HOST" 2> /dev/null)"
+      fi
+    fi
+
+    # write IP to tmp file or clear tmp file if an IP was not retrieved
+    [[ -n $fresh_ip ]] && echo $fresh_ip > $POWERLEVEL9K_PUBLIC_IP_FILE || echo $POWERLEVEL9K_PUBLIC_IP_NONE > $POWERLEVEL9K_PUBLIC_IP_FILE
+  fi
+
+  # read public IP saved to tmp file
+  local public_ip=$(cat $POWERLEVEL9K_PUBLIC_IP_FILE)
+
+  if [[ -n $public_ip ]]; then
+    $1_prompt_segment "$0" "$2" "$DEFAULT_COLOR" "$DEFAULT_COLOR_INVERTED" "${public_ip}" 'PUBLIC_IP_ICON'
+  fi
+}
+
 # Context: user@hostname (who am I and where am I)
 # Note that if $DEFAULT_USER is not set, this prompt segment will always print
 prompt_context() {