feat: feign request interceptor for aws signature v4 for sdk v2

.editorconfig

@@ -0,0 +1,14 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_size = 4
+indent_style = space
+insert_final_newline = true
+trim_trailing_whitespace = true
+max_line_length = 160
+tab_width = 4
+
+[{*.yaml, *.yml, *.md}]
+indent_size = 2

.github/dependabot.yml

@@ -0,0 +1,11 @@
+version: 2
+updates:
+  - package-ecosystem: "maven"
+    directory: "/"
+    schedule:
+      interval: "daily"
+
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"

.github/issue_template/bug_report.md

@@ -0,0 +1,20 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: 'bug'
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behavior.
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Additional context**
+Add any other context about the problem here.

.github/issue_template/feature_request.md

@@ -0,0 +1,20 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: 'enhancement'
+assignees: ''
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.

.github/pull_request_template.md

@@ -0,0 +1,25 @@
+# Description
+
+Please include a summary of the change and which issue is fixed. Please also include relevant motivation and context. List any dependencies that are required
+for this change.
+
+Fixes # (issue)
+
+## Type of change
+
+Please delete options that are not relevant.
+
+- [ ] Bug fix (non-breaking change which fixes an issue)
+- [ ] New feature (non-breaking change which adds functionality)
+- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
+- [ ] This change requires a documentation update
+
+# Checklist:
+
+- [ ] I hereby accept that the code I contributed is under the MIT license.
+- [ ] My code follows the style guidelines of this project
+- [ ] I have performed a self-review of my own code
+- [ ] I have made corresponding changes to the documentation
+- [ ] My changes generate no new warnings
+- [ ] I have added tests that prove my fix is effective or that my feature works
+- [ ] New and existing unit tests pass locally with my changes

.github/workflows/build.yml

@@ -0,0 +1,49 @@
+name: Build & Release
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - main
+      - next
+    paths:
+      - '**/src/**'
+      - '**/pom.xml'
+      - 'pom.xml'
+
+permissions:
+  # used by semantic release
+  contents: write
+  issues: write
+  pull-requests: write
+  # used to publish the docker image
+  packages: write
+  # used by trivy
+  security-events: write
+
+jobs:
+  build:
+    name: Build & Release
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0 # Shallow clones should be disabled for a better relevancy of analysis
+
+      - name: Set up JDK 11
+        uses: actions/setup-java@v3
+        with:
+          java-version: '11'
+          distribution: 'temurin'
+          cache: 'maven'
+
+      - name: Run Tests
+        run: mvn -B -ntp clean install
+
+      - name: Create new release
+        uses: cycjimmy/semantic-release-action@v3
+        with:
+          extra_plugins: |
+            @semantic-release/git
+            @semantic-release/exec
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/pull-request-lint.yml

@@ -0,0 +1,20 @@
+name: Lint Pull Request
+on:
+  pull_request_target:
+    types:
+      - opened
+      - edited
+      - synchronize
+
+permissions:
+  pull-requests: read
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: amannn/action-semantic-pull-request@v5
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          validateSingleCommit: true

.github/workflows/pull-request.yml

@@ -0,0 +1,29 @@
+name: Verify Pull Request
+on:
+  pull_request:
+    paths:
+      - '**/src/**'
+      - '**/pom.xml'
+      - 'pom.xml'
+
+permissions:
+  contents: read
+
+jobs:
+  verify:
+    name: Verify Pull Request
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0 # Shallow clones should be disabled for a better relevancy of analysis
+
+      - name: Set up JDK 11
+        uses: actions/setup-java@v3
+        with:
+          java-version: '11'
+          distribution: 'temurin'
+          cache: 'maven'
+
+      - name: Run Tests
+        run: mvn -B -ntp clean install

.gitignore

@@ -0,0 +1,33 @@
+HELP.md
+target/
+!**/src/main/**/target/
+!**/src/test/**/target/
+.flattened-pom.xml
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/

.releaserc.json

@@ -0,0 +1,32 @@
+{
+  "branches": [
+    "main",
+    {
+      "name": "next",
+      "prerelease": true
+    }
+  ],
+  "plugins": [
+    "@semantic-release/commit-analyzer",
+    "@semantic-release/release-notes-generator",
+    [
+      "@semantic-release/exec",
+      {
+        "prepareCmd": "mvn -B -ntp versions:set -DgenerateBackupPoms=false -DnewVersion=${nextRelease.version}",
+        "publishCmd": "mvn -B -ntp clean deploy -DskipTests"
+      }
+    ],
+    [
+      "@semantic-release/git",
+      {
+        "assets": [
+          [
+            "**/pom.xml",
+            "!**/target/**/*"
+          ]
+        ]
+      }
+    ],
+    "@semantic-release/github"
+  ]
+}

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2021 DarkAtra
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -0,0 +1,56 @@
+[![Build](https://github.com/DarkAtra/feign-aws-sigv4/actions/workflows/build.yml/badge.svg)](https://github.com/DarkAtra/feign-aws-sigv4/actions/workflows/build.yml)
+
+# feign-aws-sigv4
+
+Provides feign request interceptors to sign http requests with [AWS Signature V4](https://docs.aws.amazon.com/general/latest/gr/signature-version-4.html).
+
+| Artifact Id             | AWS SDK Version | Status              |
+|-------------------------|-----------------|---------------------|
+| `feign-aws-sigv4-sdkv1` | V1              | ❌ To be implemented |
+| `feign-aws-sigv4-sdkv2` | V2              | ✅ Fully implemented |
+
+## Usage with SDK V2
+
+Include the following dependency in your project:
+
+```
+<dependency>
+    <groupId>de.darkatra</groupId>
+    <artifactId>feign-aws-sigv4-sdkv2</artifactId>
+    <version>1.0.0</version>
+</dependency>
+```
+
+### Kotlin
+
+```kotlin
+val awsCredentialsProvider = DefaultCredentialsProvider.create()
+val service = "execute-api"
+val region = Region.of("eu-central-1")
+
+val awsSignatureV4RequestInterceptor = AwsSignatureV4RequestInterceptor(awsCredentialsProvider, service, region)
+
+Feign.builder()
+    .requestInterceptor(awsSignatureV4RequestInterceptor)
+    .target(YourClient::class.java, url)
+```
+
+### Java
+
+```java
+final AwsCredentialsProvider awsCredentialsProvider = DefaultCredentialsProvider.create();
+final String service = "execute-api";
+final Region region = Region.of("eu-central-1");
+
+final RequestInterceptor awsSignatureV4RequestInterceptor = new AwsSignatureV4RequestInterceptor(awsCredentialsProvider, service, region);
+
+Feign.builder()
+    .requestInterceptor(awsSignatureV4RequestInterceptor)
+    .target(YourClient.class, url);
+```
+
+## How to build it locally
+
+```
+mvn clean install
+```