Git pre-push client to set config variable with nostr auth header

Signed-off-by: dzdidi <deniszalessky@gmail.com>

Readme.md

@@ -1,20 +1,7 @@
 # Client
 
-Adds to global config:
+1. add `./nga` to you `$PATH`
-```
+2. run `nga` and follow instructions
-[http "https://<host>/<owner>/repo"]
-  extraHeader = "Authorization: Nostr $(./create_nostr_auth_header.sh)"
-  
-```
-
-TODO:
-- [ ] add signing for header generation
-- [ ] add id for header generation
-- [ ] add base64 encofing for header generation
-- [ ] add key retrieval mechanism
-- [ ] add script for extendign config file for speicific urls
 
 # Sever
-TODO:
+TODO
-- [ ] Appache config to intercept and verify header (also for ACL)
-- [ ] script for auto setup with bare repo and ACL

create_nostr_auth_header.sh

@@ -1,40 +0,0 @@
-#!/bin/sh
-set -e
-
-command=($BASH_COMMAND)
-
-if [[ command[0] -eq 'clone']] ; then
-  echo "base64 of the following json:"
-# {
-#   "id": "<id>",
-#   "pubkey": "<read pub key >",
-#   "content": "",
-#   "kind": 27235,
-#   "created_at": $(date +%s),
-#   "tags": [
-#     ["u", $command[1]],
-#     ["method", $command[0]],
-#   ],
-#   "sig": "<signature>"
-# }
-
-elif [[ command[0] -eq 'push' ]]; then
-  commit=$(git rev-parse HEAD)
-  echo "base64 of the following json:"
-# {
-#   "id": "<id>",
-#   "pubkey": "<read pub key >",
-#   "content": "",
-#   "kind": 27235,
-#   "created_at": $(date +%s),
-#   "tags": [
-#     ["u", $command[1]],
-#     ["method", $command[0]],
-#     ["payload", $commit],
-#   ],
-#   "sig": "<signature>"
-# }
-else
-  echo "Error: command not supported" >&2
-  exit 1
-fi

nga.sh

@@ -0,0 +1,60 @@
+#!/bin/bash
+set -e
+
+HOOK=`cat <<'EOF'
+#!/bin/sh\n
+\n
+url="$2"\n
+zero=$(git hash-object --stdin </dev/null | tr '[0-9a-f]' '0')\n
+commit=$(git rev-parse HEAD)\n
+privKey=$(cat ~/.nostr/key | jq -r '.private_key')\n
+EVENT="{\"content\":\"\",\"kind\":27235,\"created_at\":$(date +%s),\"tags\":[[\"u\",\"$url\"],[\"method\",\"push\"],[\"payload\",\"$commit\"]]}"\n
+SIGNED=$(echo -n $EVENT | nak event -sec $privKey)\n
+NOSTR_AUTH_HEADER=$(echo -n $SIGNED | base64 -w 0)\n
+git config http.$url.extraHeader "Authorization: Nostr $NOSTR_AUTH_HEADER"\n
+EOF
+`
+
+
+APP_HOME="$HOME/.nostr"
+SK_PATH="$APP_HOME/key"
+
+if [ -d $APP_HOME ]; then
+  echo "$APP_HOME already exists. Skipping..."
+else
+  echo "Creating $APP_HOME"
+  mkdir $APP_HOME
+fi
+
+if [ -f $SK_PATH ]; then
+   echo "$SK_PATH already exists. Skipping..."
+else
+  echo "Please insert you NSEC:"
+  read -s SK
+  echo $(nak decode $SK) > $SK_PATH
+fi
+
+read -p "Provide path to git repository or press \"Enter\" to use curent directory:" GIT_REPO
+GIT_REPO=${GIT_REPO:-.}
+
+if [ ! -d $GIT_REPO ]; then
+  echo "$GIT_REPO is not a directory. Exiting..."
+  exit 1
+fi
+
+if [ ! -d "$GIT_REPO/.git" ]; then
+  echo "$GIT_REPO is not a directory. Exiting..."
+  exit 1
+fi
+
+echo "Installing git hooks..."
+if [ -f "$GIT_REPO/.git/hooks/pre-push" ]; then
+  echo "pre-push hook already exists. Skipping..."
+else
+  echo "Installing pre-push hook..."
+  echo -e $HOOK >> $GIT_REPO/.git/hooks/pre-push
+  chmod +x $GIT_REPO/.git/hooks/pre-push
+fi
+
+echo "Done!"
+