添加 web/GET

.github/workflows/chal.web.get.yml

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+name: Challenge get
+
+on:
+  push:
+    branches: ["main"]
+    paths:
+      - "!**/README.md"
+      - "challenges/web/get/build/**"
+  workflow_dispatch:
+
+env:
+  TYPE: web
+  NAME: get
+  REGISTRY: ghcr.io
+
+jobs:
+  challenge-build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@v2
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: ${{ env.REGISTRY }}/${{ github.repository }}/${{ env.NAME }}
+          tags: |
+            latest
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v4
+        with:
+          context: challenges/${{ env.TYPE }}/${{ env.NAME }}/build
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          push: true

challenges/web/get/README.md

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+# GET
+
+- **作者**：ksks
+- **参考**：-
+- **难度**：Easy
+- **分类**：Web
+- **暴露端口**：80
+
+## 题目描述
+
+## 题目解析

challenges/web/get/build/Dockerfile

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+FROM python:alpine
+
+ENV FLASK_APP=app FLASK_ENV=production FLASK_ENV_DEBUG=False
+
+RUN pip install flask gunicorn --no-cache-dir
+
+COPY --chmod=500 init.sh /init.sh
+COPY ./app /app
+
+WORKDIR /app
+
+CMD ["/init.sh"]

challenges/web/get/build/app/main.py

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+import os
+from flask import Flask, request
+
+
+app = Flask(__name__)
+
+FLAG = os.getenv("GZCTF_FLAG", "flag{test_flag}")
+
+
+@app.route("/")
+def index():
+    if want := request.args.get("want"):
+        return FLAG
+    else:
+        return "请用 GET 方式提交一个名为 want，值为 flag 的变量"

challenges/web/get/build/init.sh

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+#!/bin/sh
+
+gunicorn main:app -b 0.0.0.0:80