From 05775abb8c747b8147061a6897c3487efcd3abdf Mon Sep 17 00:00:00 2001
From: FernandoAvanzo <fernando.avanzo@gmail.com>
Date: Sun, 20 Oct 2024 15:54:37 -0300
Subject: [PATCH] Start work in a auth lib to be used in the api scaffold

---
 authenticator/Readme.md                       | 16 +++++++++++
 authenticator/build.gradle.kts                | 25 +++++++++++++++++
 .../main/kotlin/avanzo/ktor/auth/JwtConfig.kt | 14 ++++++++++
 settings.gradle.kts                           |  4 ++-
 utils/Readme.md                               |  1 +
 utils/build-kotlin-folder-structure.sh        | 27 +++++++++++++++++++
 6 files changed, 86 insertions(+), 1 deletion(-)
 create mode 100644 authenticator/Readme.md
 create mode 100644 authenticator/build.gradle.kts
 create mode 100644 authenticator/src/main/kotlin/avanzo/ktor/auth/JwtConfig.kt
 create mode 100644 utils/Readme.md
 create mode 100755 utils/build-kotlin-folder-structure.sh

diff --git a/authenticator/Readme.md b/authenticator/Readme.md
new file mode 100644
index 0000000..36fa793
--- /dev/null
+++ b/authenticator/Readme.md
@@ -0,0 +1,16 @@
+### Authenticator Tool
+
+Tool to handle API authentication flows, including JWT token generation, validation, and management.
+
+### Roadmap
+
+- [ ] Create a Notion space to manage this project
+- [ ] Finish building the AI scaffold suggestion
+- [ ] Discover how to publish the library
+- [ ] Discover how to use a local version of the library
+- [ ] Add the library to the API project
+- [ ] Implement an authentication flow in the API using the Auth library
+
+
+### References
+- [My Notion JSON Web Tokens](https://www.notion.so/fernando-avanzo/Doc-JSON-Web-Tokens-125b3def3e7c80099293f2b8ec520b9b?pvs=4)
diff --git a/authenticator/build.gradle.kts b/authenticator/build.gradle.kts
new file mode 100644
index 0000000..dde7a55
--- /dev/null
+++ b/authenticator/build.gradle.kts
@@ -0,0 +1,25 @@
+plugins {
+    kotlin("jvm") version "2.0.21"
+    `maven-publish`
+}
+
+group = "avanzo.ktor.auth"
+version = "1.0.0"
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    implementation("io.ktor:ktor-server-auth:2.3.0")
+    implementation("io.ktor:ktor-server-auth-jwt:2.3.0")
+    testImplementation(kotlin("test"))
+}
+
+publishing {
+    publications {
+        create<MavenPublication>("mavenJava") {
+            from(components["java"])
+        }
+    }
+}
diff --git a/authenticator/src/main/kotlin/avanzo/ktor/auth/JwtConfig.kt b/authenticator/src/main/kotlin/avanzo/ktor/auth/JwtConfig.kt
new file mode 100644
index 0000000..00d6271
--- /dev/null
+++ b/authenticator/src/main/kotlin/avanzo/ktor/auth/JwtConfig.kt
@@ -0,0 +1,14 @@
+package avanzo.ktor.auth
+
+import com.auth0.jwt.algorithms.Algorithm
+
+
+data class JwtConfig(
+    val realm: String,
+    val issuer: String,
+    val secret: String,
+    val audience: String,
+    val expiration: Long // in milliseconds
+) {
+    val algorithm: Algorithm = Algorithm.HMAC256(secret)
+}
diff --git a/settings.gradle.kts b/settings.gradle.kts
index c3fce76..9d3c69c 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -4,4 +4,6 @@ plugins {
 }
 
 rootProject.name = "ktor-api-scaffold"
-include("api")
\ No newline at end of file
+include("api")
+include("authenticator")
+include("utils")
diff --git a/utils/Readme.md b/utils/Readme.md
new file mode 100644
index 0000000..087b55f
--- /dev/null
+++ b/utils/Readme.md
@@ -0,0 +1 @@
+# Scripts to help with boring tasks
diff --git a/utils/build-kotlin-folder-structure.sh b/utils/build-kotlin-folder-structure.sh
new file mode 100755
index 0000000..39c07c0
--- /dev/null
+++ b/utils/build-kotlin-folder-structure.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+set -euo pipefail
+
+declare -r ROOT="$HOME/Projects/ktor-api-scaffold"
+declare module=${1-"invalid path"}
+
+
+if [ "$module" != "invalid path" ]; then
+    # Rest of your commands go here
+    declare -r module="$ROOT/$module"
+
+if [ -d "$module" ]; then
+    # Run your remaining commands here
+    mkdir -p "$module/src/main/kotlin"
+    mkdir -p "$module/src/main/resources"
+    mkdir -p "$module/src/test/kotlin"
+    mkdir -p "$module/src/test/resources"
+
+else
+    echo "Error: The provided path '$module' is not a valid folder."
+    exit 1
+fi
+    
+else
+    echo "Path invalid"
+    exit 1
+fi