From 852c14235de19ad7c0591ed790801f749393cadb Mon Sep 17 00:00:00 2001
From: David Hiendl <david.hiendl@dhswt.de>
Date: Thu, 27 Oct 2022 11:11:42 +0200
Subject: [PATCH] added gradle/giteaMavenRepo.gradle for authenticating and
 adding gitea as repository for dependencies and publishing

---
 drone/ContainerImageDocker.yml |  2 +-
 drone/ContainerImageKaniko.yml |  2 +-
 gradle/GiteaMavenRepo.gradle   | 61 ++++++++++++++++++++++++++++++++++
 3 files changed, 63 insertions(+), 2 deletions(-)
 create mode 100644 gradle/GiteaMavenRepo.gradle

diff --git a/drone/ContainerImageDocker.yml b/drone/ContainerImageDocker.yml
index 7b756e4..9fcc8c6 100644
--- a/drone/ContainerImageDocker.yml
+++ b/drone/ContainerImageDocker.yml
@@ -80,7 +80,7 @@
 
       # drone does not support expanding vars in environment values, set defaults via bash
       if [[ -z "$CONTEXT_DIR" ]]; then CONTEXT_DIR="$DRONE_WORKSPACE_BASE"; fi
-      if [[ -z "$DOCKERFILE" ]]; then DOCKERFILE="$DRONE_WORKSPACE_BASE/Dockerfile"; fi
+      if [[ -z "$DOCKERFILE" ]]; then DOCKERFILE="$CONTEXT_DIR/Dockerfile"; fi
 
       debug_log "CONTEXT_DIR=$CONTEXT_DIR"
       debug_log "DOCKERFILE=$DOCKERFILE"
diff --git a/drone/ContainerImageKaniko.yml b/drone/ContainerImageKaniko.yml
index 6e8a78a..6f521ce 100644
--- a/drone/ContainerImageKaniko.yml
+++ b/drone/ContainerImageKaniko.yml
@@ -61,7 +61,7 @@
 
       # drone does not support expanding vars in environment values, set defaults via bash
       if [[ -z "$CONTEXT_DIR" ]]; then CONTEXT_DIR="$DRONE_WORKSPACE_BASE"; fi
-      if [[ -z "$DOCKERFILE" ]]; then DOCKERFILE="$DRONE_WORKSPACE_BASE/Dockerfile"; fi
+      if [[ -z "$DOCKERFILE" ]]; then DOCKERFILE="$CONTEXT_DIR/Dockerfile"; fi
 
       debug_log "CONTEXT_DIR=$CONTEXT_DIR"
       debug_log "DOCKERFILE=$DOCKERFILE"
diff --git a/gradle/GiteaMavenRepo.gradle b/gradle/GiteaMavenRepo.gradle
new file mode 100644
index 0000000..294ebaf
--- /dev/null
+++ b/gradle/GiteaMavenRepo.gradle
@@ -0,0 +1,61 @@
+def addGiteaRepository(RepositoryHandler handler, String giteaApiUrl, String organization, String token = null) {
+    handler.maven {
+        name "gitea-$organization"
+        url = "${giteaApiUrl}/api/packages/${organization}/maven"
+        setGiteaRepoAuth(it, token)
+    }
+}
+
+def addGiteaPublishingRepository(RepositoryHandler handler, String giteaApiUrl, String organization, String token = null) {
+    handler.maven {
+        name "gitea-$organization"
+        url = "${giteaApiUrl}/api/packages/${organization}/maven"
+        setGiteaRepoAuth(it, token)
+    }
+}
+
+/**
+ * Add auth to repo, attempt to find token by first non-null:
+ * - function argument "token"
+ * - env var: CI_JOB_TOKEN
+ * - env var: CI_REGISTRY_PASSWORD
+ * - gradle project var: giteaPrivateToken
+ * Throws exception if no auth token was found.
+ */
+def setGiteaRepoAuth(MavenArtifactRepository maven, String token = null) {
+
+    if (token != null) {
+        maven.credentials(HttpHeaderCredentials) {
+            name = 'Authorization'
+            value = "token " + System.getenv("CI_JOB_TOKEN")
+        }
+    } else if (System.getenv("CI_JOB_TOKEN") != null) {
+        maven.credentials(HttpHeaderCredentials) {
+            name = 'Authorization'
+            value = "token " + System.getenv("CI_JOB_TOKEN")
+        }
+    } else if (System.getenv("CI_REGISTRY_PASSWORD") != null) {
+        maven.credentials(HttpHeaderCredentials) {
+            name = 'Authorization'
+            value = "token " + System.getenv("CI_REGISTRY_PASSWORD")
+        }
+    } else if (project.hasProperty("giteaPrivateToken")) {
+        maven.credentials(HttpHeaderCredentials) {
+            name = 'Authorization'
+            value = "token " + giteaPrivateToken
+        }
+    } else {
+        throw Exception("No gitea repository auth configured")
+    }
+
+    maven.authentication {
+        header(HttpHeaderAuthentication)
+    }
+}
+
+// Export methods by turning them into closures
+ext {
+    setGiteaRepoAuth = this.&setGiteaRepoAuth
+    addGiteaRepository = this.&addGiteaRepository
+    addGiteaPublishingRepository = this.&addGiteaPublishingRepository
+}