Feature: Local cache for op items

README.md

@@ -22,6 +22,7 @@ This plugin relies on the following:
 In any tmux mode:
 
 - `prefix + u` - list login items in a bottom pane.
+- `prefix + C` - clear the cache of tmux-1password.
 
 ## Install
 
@@ -79,14 +80,22 @@ sessions expires automatically after 30 minutes of inactivity.
 Customize this plugin by setting these options in your `.tmux.conf` file. Make sure to reload the
 environment afterwards.
 
-#### Changing the default key-binding for this plugin
+#### Changing the default key-binding for running this plugin
 
 ```
 set -g @1password-key 'x'
 ```
 
 Default: `'u'`
 
+#### Changing the default key-binding for clearing the cache of this plugin
+
+```
+set -g @1password-clear-cache-key 'X'
+```
+
+Default: 'C'
+
 #### Setting the signin subdomain
 
 ```
@@ -115,31 +124,6 @@ set -g @1password-copy-to-clipboard 'on'
 
 Default: `'off'`
 
-#### Customize URL Filtering
-
-By default, all of the items will be shown. If complete customization of url filtering is required,
-a `jq` filter can be provided to filter and map items.
-
-Items come in the following format from which the filter operates:
-
-```json
-[
-  {
-    "uuid": "some-long-uuid",
-    "overview": {
-      "URLs": [
-        { "u": "sudolikeaboss://local" }
-      ],
-      "title": "Some item",
-      "tags": ["some_tag"]
-    }
-  }
-]
-```
-
-
-Default: `''`
-
 #### Examples
 
 ##### Filtering by tags

plugin.tmux

@@ -28,9 +28,12 @@ main() {
   done
 
   local -r opt_key="$(get_tmux_option "@1password-key" "u")"
+  local -r clear_key="$(get_tmux_option "@1password-clear-cache-key" "C")"
 
   tmux bind-key "$opt_key" \
     run "tmux split-window -l 10 \"$CURRENT_DIR/scripts/main.sh '#{pane_id}'\""
+
+  tmux bind-key "$clear_key" run "$CURRENT_DIR/scripts/main.sh clear-cache"
 }
 
 main "$@"

scripts/main.sh

@@ -10,7 +10,9 @@ source "./spinner.sh"
 
 # ------------------------------------------------------------------------------
 
-declare -r TMP_TOKEN_FILE="$HOME/.op_tmux_token_tmp"
+declare -r TMP_TOKEN_FILE="/tmp/tmux-op-token"
+declare -r CACHE_FILE="/tmp/tmux-op-items"
+declare -r CACHE_TTL=1800 # 30 minutes, since we cannot fetch passwords with invalid session token
 
 declare -r OPT_SUBDOMAIN="$(get_tmux_option "@1password-subdomain" "my")"
 declare -r OPT_VAULT="$(get_tmux_option "@1password-vault" "")"
@@ -45,7 +47,29 @@ op_get_session() {
 }
 
 get_op_items() {
+  clear_old_cache
 
+  if [[ -e $CACHE_FILE ]]; then
+    echo "$(cat $CACHE_FILE)"
+  else
+    fetch_items
+  fi
+}
+
+clear_old_cache() {
+  if [[ -e $CACHE_FILE ]]; then
+    local last_update="$(stat -c %Y $CACHE_FILE)"
+    local now="$(date +%s)"
+    local seconds_since_last_update="$(($now-$last_update))"
+
+    # Remove cache file if last cache was from 30 minutes ago
+    if [[ $seconds_since_last_update > $CACHE_TTL ]]; then
+      rm $CACHE_FILE
+    fi
+  fi
+}
+
+fetch_items() {
   # The structure (we need) looks like the following:
   # [
   #   {
@@ -78,6 +102,14 @@ get_op_items() {
     | jq "$JQ_FILTER" --raw-output
 }
 
+cache_items() {
+  local items=$1
+
+  if ! [[ -e $CACHE_FILE ]]; then
+    echo "$items" > $CACHE_FILE
+  fi
+}
+
 get_op_item_password() {
   local -r ITEM_UUID="$1"
 
@@ -120,7 +152,13 @@ get_op_item_password() {
 
 # ------------------------------------------------------------------------------
 
-main() {
+clear_cache() {
+  rm $CACHE_FILE
+
+  display_message "Cache cleared"
+}
+
+prompt_op() {
   local -r ACTIVE_PANE="$1"
 
   local items
@@ -147,6 +185,7 @@ main() {
     spinner_stop
   fi
 
+  cache_items "$items"
   selected_item_name="$(echo "$items" | awk -F ',' '{ print $1 }' | fzf --no-multi)"
 
   if [[ -n "$selected_item_name" ]]; then
@@ -164,11 +203,20 @@ main() {
       # Clear clipboard
       clear_clipboard 30
     else
-
       # Use `send-keys`
       tmux send-keys -t "$ACTIVE_PANE" "$selected_item_password"
     fi
   fi
 }
 
+main() {
+  local -r command=$@
+
+  if [[ $command == "clear-cache" ]]; then
+    clear_cache
+  else
+    prompt_op $@
+  fi
+}
+
 main "$@"