From 8345924a368b8e70daa6fb3d0e3d4ef9d234e37f Mon Sep 17 00:00:00 2001
From: vista <admin.git@narvas.tech>
Date: Tue, 21 Mar 2023 12:51:05 +0100
Subject: [PATCH] wip

[skip ci]
---
 check.sh | 92 +++++++++++++++++++++++++++++++++++++++++---------------
 1 file changed, 68 insertions(+), 24 deletions(-)

diff --git a/check.sh b/check.sh
index 6e7e006..2b76121 100644
--- a/check.sh
+++ b/check.sh
@@ -23,52 +23,96 @@ if [ -z "${TARGET}" ]; then
   exit 1
 fi
 
-if [ -z "${REPO_URL}" ]; then
-  REPO_URL="https://hub.docker.com/v2/repositories"
-fi
-
-if [ -z "${BASE_REPO_URL}" ]; then
-  BASE_REPO_URL="${REPO_URL}"
-fi
-
-if [ -z "${TARGET_REPO_URL}" ]; then
-  TARGET_REPO_URL="${REPO_URL}"
-fi
-
-if [ -z "${BASE_REPO_USERNAME}" && -n "${REPO_USERNAME}" ]; then
+if [ -z "${BASE_REGISTRY_USERNAME}" && -n "${REGISTRY_USERNAME}" ]; then
   BASE_REPO_USERNAME="${REPO_USERNAME}"
 fi
 
-if [ -z "${BASE_REPO_PASSWORD}" && -n "${REPO_PASSWORD}" ]; then
+if [ -z "${BASE_REGISTRY_PASSWORD}" && -n "${REGISTRY_PASSWORD}" ]; then
   BASE_REPO_PASSWORD="${REPO_PASSWORD}"
 fi
 
-
-if [ -z "${TARGET_REPO_USERNAME}" && -n "${REPO_USERNAME}" ]; then
+if [ -z "${TARGET_REGISTRY_USERNAME}" && -n "${REGISTRY_USERNAME}" ]; then
   TARGET_REPO_USERNAME="${REPO_USERNAME}"
 fi
 
-if [ -z "${TARGET_REPO_PASSWORD}" && -n "${REPO_PASSWORD}" ]; then
+if [ -z "${TARGET_REGISTRY_PASSWORD}" && -n "${REGISTRY_PASSWORD}" ]; then
   BASE_REPO_PASSWORD="${REPO_PASSWORD}"
 fi
 
+if [ -z "${REGISTRY_API}" ]; then
+  REGISTRY_API = 'docker'
+fi
 
-# add "library/" if its a "official" docker image (it has no username)
+if [ -z "${BASE_REGISTRY_API}" ]; then
+  BASE_REGISTRY_API = '${REGISTRY_API}'
+fi
+
+if [ -z "${TARGET_REGISTRY_API}" ]; then
+  TARGET_REGISTRY_API = '${REGISTRY_API}'
+fi
+
+if [ -z "${REGISTRY_URL}" ]; then
+  REGISTRY_URL="https://hub.docker.com/v2"
+  # repositories
+fi
+
+if [ -z "${BASE_REPO_URL}" ]; then
+  BASE_REGISTRY_URL="${REPO_URL}"
+fi
+
+if [ -z "${TARGET_REPO_URL}" ]; then
+  TARGET_REGISTRY_URL="${REPO_URL}"
+fi
+
+# remove trailing /
+BASE_REGISTRY_URL="${BASE_REGISTRY_URL%/}"
+TARGET_REGISTRY_URL="${TARGET_REGISTRY_URL%/}"
+
+# add "library/" if its a "official" docker image (no username is provided)
 echo "${BASE}" | grep -q "/" || BASE="library/${BASE}"
 echo "${TARGET}" | grep -q "/" || TARGET="library/${TARGET}" 
 
-# if no tag is give default to latest
+# if no tag is given default to latest
 echo "${BASE}" | grep -q ":" || BASE="${BASE}:latest"
 echo "${TARGET}" | grep -q ":" || TARGET="${TARGET}:latest" 
 
+# split repo into user reponame and tag
+IFS='/:'
+read -ra parts <<< "${BASE_REPO}"
+BASE_REPO_USER="${parts[0]}"
+BASE_REPO_NAME="${parts[1]}"
+BASE_REPO_TAG="${parts[2]}"
 
-# move the tag to its own var and remove it from the repo name
-BASE_TAG=$(echo "${BASE}" | sed 's/[^:]*://')
-TARGET_TAG=$(echo "${TARGET}" | sed 's/[^:]*://')
+read -ra parts <<< "${TARGET_REPO}"
+TARGET_REPO_USER="${parts[0]}"
+TARGET_REPO_NAME="${parts[1]}"
+TARGET_REPO_TAG="${parts[2]}"
 
-BASE_REPO=$(echo "${BASE}" | sed 's/:.*//')
-TARGET_REPO=$(echo "${TARGET}" | sed 's/:.*//') 
+if [ -n "${BASE_REGISTRY_USERNAME}" && -n "${BASE_REGISTRY_PASSWORD}" \ ]
 
+# make a shared login header if REGISTRY_API REGISTRY_USERNAME and REGISTRY_PASSWORD are the same for BASE and TARGET
+if [ "${BASE_REGISTRY_API}" == "${TARGET_REGISTRY_API}" \
+    && "${BASE_REGISTRY_USERNAME}" == "${TARGET_REGISTRY_USERNAME}" \
+    && "${BASE_REGISTRY_PASSWORD}" == "${TARGET_REGISTRY_PASSWORD}" \
+    && "${BASE_REGISTRY_URL}" == "${TARGET_REGISTRY_URL}" \
+    && -n "${BASE_REGISTRY_USERNAME}" \
+    && -n "${BASE_REGISTRY_PASSWORD}" \
+    ]; then
+  if [ "${BASE_REGISTRY_API}" == "docker" ]; then
+    TOKEN=$(curl -s -H "Content-Type: application/json" -X POST -d "{\"username\": \"${BASE_REGISTRY_USERNAME}\", \"password\": \"${BASE_REGISTRY_PASSWORD}\"}" ${BASE_REGISTRY_URL}/users/login/ | jq -r .token) 
+    BASE_HEADER="Authorization: JWT ${TOKEN}"
+    TARGET_HEADER="Authorization: JWT ${TOKEN}"
+  elif [ "${BASE_REGISTRY_API}" == "gitea" ]; then
+    BASE_HEADER="Authorization: token ${BASE_REGISTRY_PASSWORD}"
+    TARGET_HEADER="Authorization: token ${TARGET_REGISTRY_PASSWORD}"
+  fi
+fi
+
+if [ "${BASE_REGISTRY_API}" == "docker" ]; then
+  BASE_URL="${BASE_REPO_URL}/${BASE_REPO_USER}/${BASE_REPO_NAME}/tags/${BASE_REPO_TAG}"
+elif [ "${BASE_REGISTRY_API}" == "gitea" ]; then
+  
+fi
 
 # build the url to the repo
 BASE_URL="${BASE_REPO_URL}/${BASE_REPO}/tags/${BASE_TAG}"