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Casdoor 是一个基于 OAuth 2.0 / OIDC 的中心化的单点登录（SSO）身份验证平台，简单来说，就是 Casdoor 可以帮你解决用户管理的难题，你无需开发用户登录、注册等与用户鉴权相关的一系列功能，只需几个步骤进行简单配置，与你的主应用配合，便可完全托管你的用户模块，简单省心，功能强大。

官网: https://casdoor.org/
代码: https://github.com/casdoor/casdoor

官网有 demo 体验，及文档。本文是依照文档「服务器安装」「使用 Docker 运行」于 Ubuntu 22 上的实践记录。

安装环境

Go 1.17+
Node.js LTS (16或14)
Yarn 1.x

安装 Go

# 下载，依据系统选择 Linux x86-64 的发布包
curl -O -L https://go.dev/dl/go1.20.4.linux-amd64.tar.gz
# 解压
tar -xzvf go1.20.4.linux-amd64.tar.gz
# 重命名，带上版本号
mv go go1.20.4.linux-amd64
# 软链，便于配置或切版本
sudo ln -sfT `pwd`/go1.20.4.linux-amd64 /usr/local/go
# 配置，GOPATH 用自己的工作目录
cat > ~/.bashrc
# go
export GOROOT=/usr/local/go
export GOPATH=$HOME/Codes/Go
export PATH=$GOROOT/bin:$GOPATH/bin:$PATH
EOF
# 检查
go version
go env

安装 Node.js

# 下载，选了当前最新的 LTS 版本，可用
curl -O -L https://nodejs.org/dist/v18.16.0/node-v18.16.0-linux-x64.tar.xz
# 解压
tar -xvf node-v18.16.0-linux-x64.tar.xz
# 软链，便于配置或切版本
sudo ln -sfT `pwd`/node-v18.16.0-linux-x64 /usr/local/node
# 配置，GOPATH 用自己的工作目录
cat > ~/.bashrc
# node
export NODE_HOME=/usr/local/node
export PATH=$NODE_HOME/bin:$PATH
EOF
# 检查
node -v
npm -v

安装 Yarn

npm install yarn -g
# 检查
yarn -v

安装 MySQL

sudo apt update -y
# 安装
sudo apt install mysql-server -y

# 检查
systemctl status mysql.service
# 或启动
systemctl start mysql.service

配置 MySQL：

1 修改 root 用户的密码，

sudo mysql
ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'YourPassword';
exit

不然，执行 mysql_secure_installation 会遇到如下错误：

 ... Failed! Error: SET PASSWORD has no significance for user 'root'@'localhost' as the authentication method used doesn't store authentication data in the MySQL server. Please consider using ALTER USER instead if you want to change authentication parameters.

2 执行配置脚本 mysql_secure_installation 把不安全的功能都给关了，

$ sudo mysql_secure_installation

Securing the MySQL server deployment.

Enter password for user root:
The 'validate_password' component is installed on the server.
The subsequent steps will run with the existing configuration
of the component.
Using existing password for root.

Estimated strength of the password: 100
Change the password for root ? ((Press y|Y for Yes, any other key for No) : n

 ... skipping.
By default, a MySQL installation has an anonymous user,
allowing anyone to log into MySQL without having to have
a user account created for them. This is intended only for
testing, and to make the installation go a bit smoother.
You should remove them before moving into a production
environment.

Remove anonymous users? (Press y|Y for Yes, any other key for No) : y
Success.


Normally, root should only be allowed to connect from
'localhost'. This ensures that someone cannot guess at
the root password from the network.

Disallow root login remotely? (Press y|Y for Yes, any other key for No) : y
Success.

By default, MySQL comes with a database named 'test' that
anyone can access. This is also intended only for testing,
and should be removed before moving into a production
environment.


Remove test database and access to it? (Press y|Y for Yes, any other key for No) : y
 - Dropping test database...
Success.

 - Removing privileges on test database...
Success.

Reloading the privilege tables will ensure that all changes
made so far will take effect immediately.

Reload privilege tables now? (Press y|Y for Yes, any other key for No) : y
Success.

All done!

3 恢复 sudo mysql 登录，

用客户端的话，跳过这一步。

# 密码登录
mysql -u root -p
# 恢复 sudo mysql 登录
ALTER USER 'root'@'localhost' IDENTIFIED WITH auth_socket;
# 退出
exit

安装 MySQL 客户端：

# 例如，用 MySQL Workbench
sudo snap install mysql-workbench-community
# 或者，用 phpMyAdmin 等

选择 Local 实例，用密码登录，

创建一个名为 casdoor 的数据库，

另外，可创建一个名为 casdoor 的新用户，专门管理该数据库。

获取源码

进工作目录，获取 Casdoor 源码，

# 获取源码
git clone --depth 1 https://github.com/casdoor/casdoor.git

配置

配置位于 casdoor/conf/app.conf，

appname = casdoor
httpport = 8000
runmode = dev
copyrequestbody = true
driverName = mysql
dataSourceName = root:123456@tcp(localhost:3306)/
dbName = casdoor
tableNamePrefix =
showSql = false
redisEndpoint =
defaultStorageProvider =
isCloudIntranet = false
authState = "casdoor"
socks5Proxy = "127.0.0.1:10808"
verificationCodeTimeout = 10
initScore = 2000
logPostOnly = true
origin =
staticBaseUrl = "https://cdn.casbin.org"
isDemoMode = false
batchSize = 100
ldapServerPort = 389
languages = en,zh,es,fr,de,id,ja,ko,ru,vi
quota = {"organization": -1, "user": -1, "application": -1, "provider": -1}

目前先只配置数据库字段 driverName dataSourceName dbName。更多字段说明，见官方文档「服务器安装 / 通过-ini-文件配置」。

运行

开发模式

运行后端：

cd casdoor/
go run main.go

如果发生错误 checksum mismatch，可执行：

go clean -modcache
rm go.sum
go mod tidy
# 还不行，切个代理，再试一次
#  可能代理缓存不一致；可写进 ~/.bashrc
export GOPROXY="https://goproxy.cn,direct"

运行前端：

cd casdoor/web
yarn install
yarn start

访问 http://localhost:7001/，用户 admin 密码 123 登录，

生产模式

运行后端：

cd casdoor/
go build
./casdoor

运行前端：

cd casdoor/web
yarn install
yarn build

容器运行

Docker 准备

Install Docker Desktop on Ubuntu，

$ docker -v
Docker version 23.0.6, build ef23cbc

$ docker compose version
Docker Compose version v2.17.3

Docker 运行

Casdoor 可以使用 docker-compose 运行，它带有独立的数据库，

cd casdoor/
docker compose up

可以如下修改，用本地已有的数据库，

编辑 docker-compose.yml
- 删掉 services/casdoor 下，
  - entrypoint 里的 --createDatabase=true 参数
  - depends_on 里的 db 依赖
- 删掉 services/db 的所有配置

version: '3.1'
services:
  casdoor:
    restart: always
    build:
      context: ./
      dockerfile: Dockerfile
      target: STANDARD
    entrypoint: /bin/sh -c './server'
    ports:
      - "8000:8000"
    volumes:
      - ./conf:/conf/

编辑 Dockerfile 删掉 ENTRYPOINT ["/server"] 之后的 db 内容
- 遇到 go build 提示版本问题，可修改 FROM golang:1.17.5 AS BACK 升下版本，如 1.20.4
- 遇到 go test 不过，
  - 若下载问题，可命令前加 export GOPROXY="https://goproxy.cn,direct" && 用代理
  - 若 TestGetVersionInfo Fail，可 git pull --unshallow 拉取更多 commits 即可
- 遇到 apk 安装问题，可以注掉 RUN sed -i 's/https/http/' /etc/apk/repositories
- 遇到 yarn fresh packages 永不终止，可以注掉 yarn config set registry https://registry.npmmirror.com

此外，再写个独立的 docker-secret.yaml 来放 services/casdoor 的数据库配置：

version: '3.1'
services:
  casdoor:
    environment:
      driverName: "mysql"
      dataSourceName: "casdoor:password@tcp(host.docker.internal:3306)/"
      dbName: "casdoor"

最后，

# 运行服务
$ docker compose -f docker-compose.yml -f docker-secret.yml up
[+] Running 2/0
 ✔ Network casdoor_default      Created                                                                                                 0.0s
 ✔ Container casdoor-casdoor-1  Created                                                                                                 0.0s
Attaching to casdoor-casdoor-1
casdoor-casdoor-1  | 2023/05/14 06:00:00 Listening on 0.0.0.0:389
casdoor-casdoor-1  | 2023/05/14 06:00:00.000 [I]  http server Running on http://:8000

访问 http://localhost:8000/，用户 admin 密码 123 登录。

结语

Casdoor 这里选择源码方式安装，是考虑做定制化修改；使用容器编译和运行，是考虑发布和部署。

至于 Casdoor 功能如何、怎么使用，要阅读官方文档多做了解，同时也在运行环境里实际玩上一玩。

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