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https://github.com/LamGC/quickly-conf-sshd.git
synced 2025-04-29 22:27:32 +00:00
一个看起来基本完成的测试版本，需要测试。
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188
conf-sshd.sh
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188
conf-sshd.sh
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# 默认获取 SSH key 的地方，一般是 Github.
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sshkey_url="https://github.com/LamGC.keys"
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# 默认的 Cron 执行计划, 每天凌晨 0 点执行
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default_cron="0 0 * * *"
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# 脚本 Url
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script_url="{{ script_url }}"
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script_params=$@
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has_param() {
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for param in $script_params; do
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for tParam in $script_params; do
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if [ "$tParam" == "$param" ]; then
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echo "true"
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return
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fi
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done
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done
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echo "false"
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}
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get_param_value() {
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$find=false
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for param in $script_params; do
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if [ "$find" == "true" ]; then
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echo $param
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return
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fi
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if [ "$param" == "$1" ]; then
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if [[ $param == -* ]]; then
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return
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fi
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find=true
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fi
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done
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}
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# 检查并更新 SSH key 地址.
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if [ $(has_param "-k" "--sshkey-url") == "true" ]; then
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new_sshkey_url=$(get_param_value "-k" "--sshkey-url")
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if [ "$new_sshkey_url" == "" ]; then
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echo "Please specify the URL of the SSH public key."
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exit 1
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fi
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sshkey_url=$new_sshkey_url
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fi
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# 帮助信息.
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if [ $(has_param "-h" "--help") == "true" ]; then
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echo "Usage: $0 [options]"
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echo "Options:"
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echo " -h, --help Print this help message."
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echo ""
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echo "Available to any user: "
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echo " -k, --sshkey-url The URL of the SSH public key."
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echo " -c, --cron [cron | false] Configure Crontab to automatically update ssh keys,"
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echo " Cron expression can be specified, If false is specified, "
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echo " Crontab settings will be deleted automatically."
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echo ""
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echo " -o, --only-update-keys Only update SSH keys, do not configure ssh server."
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echo " -u, --update-self Update this script to the latest version."
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echo ""
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echo "only available when the script is executed as root:"
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echo " -n, --no-install-sshd Do not install SSH Server."
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echo " -p, --allow-root-passwd <yes | no> Allow Root to log in with a password."
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exit 0
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fi
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update_sshkeys() {
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if [ "$sshkey_url" == "" ]; then
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echo "Please specify the URL of the SSH public key."
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exit 1
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fi
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echo "Downloading SSH public key from `$sshkey_url`"
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mkdir -p ~/.ssh
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ssh_keys=$(curl -s $sshkey_url)
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if [ $? -ne 0 ] || [ "$ssh_keys" == "" ]; then
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echo "Failed to download SSH public key at $(date '+%Y-%m-%d %H:%M:%S')"
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exit 1
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fi
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curl -s $sshkey_url > ~/.ssh/authorized_keys || (echo "Failed to download SSH public key." && exit 1)
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chmod 600 ~/.ssh/authorized_keys
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# 输出更新成功，需要附带时间日期
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echo "SSH public key updated successfully at $(date '+%Y-%m-%d %H:%M:%S')"
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}
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# 检查是否只更新密钥.
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if [ $(has_param "-o" "--only-update-keys") == "true" ]; then
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update_sshkeys
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exit 0
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fi
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# 检查是否指定了 --update-self
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if [ $(has_param "-u" "--update-self") == "true" ]; then
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cp $0 ~/.conf-sshd/conf-sshd.sh.bak
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curl -s $script_url > $0 || cp ~/.conf-sshd/conf-sshd.sh.bak $0 && echo "Script update failed at $(date '+%Y-%m-%d %H:%M:%S')" && exit 1
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chmod +x ~/.conf-sshd/conf-sshd.sh
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echo "Script updated successfully at $(date '+%Y-%m-%d %H:%M:%S')"
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exit 0
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fi
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# 检查 /usr/sbin/sshd 是否存在，且 /usr/sbin/sshd 执行后退出代码为 0
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/usr/sbin/sshd -T > /dev/null
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if [ $? -ne 0 ] && [ $(has_param "-n" "--no-install-sshd") == "false" ]; then
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if [ $(id -u) -eq 0 ]; then
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echo "The ssh server is not installed, and the script is executed as root, so it will be installed."
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if [ -f /etc/redhat-release ]; then
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yum install -y openssh-server
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elif [ -f /etc/debian_version ]; then
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apt-get update
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apt-get install -y openssh-server
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fi
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echo "The ssh server has been installed."
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else
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echo "The ssh server is not installed, but the script is executed as a non-root user and cannot be installed."
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exit 1
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fi
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else
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echo "The ssh server is already installed."
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fi
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# 检查是否指定了 --allow-root-passwd
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if [ $(has_param "-p" "--allow-root-passwd") == "true" ]; then
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# 检查当前用户是否为 root
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if [ $(id -u) -eq 0 ]; then
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# 获取参数值
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allow_root_passwd=$(get_param_value "-p" "--allow-root-passwd" | tr '[:upper:]' '[:lower:]')
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if [ "$allow_root_passwd" == "yes" ]; then
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# 设置允许 root 使用密码登录
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sed -i 's/PermitRootLogin.*/PermitRootLogin yes/g' /etc/ssh/sshd_config
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elif [ "$allow_root_passwd" == "no" ]; then
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# 设置禁止 root 使用密码登录
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sed -i 's/PermitRootLogin.*/PermitRootLogin no/g' /etc/ssh/sshd_config
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else
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echo "Please specify whether to allow root to log in with a password."
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exit 1
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fi
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else
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echo "The script is executed as a non-root user and cannot set whether to allow root to log in with a password."
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exit 1
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fi
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fi
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# 更新密钥.
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update_sshkeys
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# 检查是否指定了 --cron
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if [ $(has_param "-c" "--cron") == "true" ]; then
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# 检查 Crontab 是否已安装
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if [ $(command -v crontab) == "" ]; then
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if [ $(id -u) -eq 0 ]; then
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echo "The crontab is not installed, and the script is executed as a root user, so it will be installed."
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if [ -f /etc/redhat-release ]; then
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yum install -y crontabs
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elif [ -f /etc/debian_version ]; then
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apt-get update
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apt-get install -y cron
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fi
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echo "The crontab has been installed."
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else
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echo "The crontab is not installed, but the script is executed as a non-root user and cannot be installed."
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exit 1
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fi
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else
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echo "The crontab is already installed."
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fi
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cron=$(get_param_value "-c" "--cron" | tr '[:upper:]' '[:lower:]')
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if [ "$cron" == "false" ]; then
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# 检查 Crontab 是否已经设置
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if [ "$(crontab -l | grep "conf-sshd.sh")" == "" ]; then
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echo "Crontab will not be configured."
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exit 0
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else
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crontab -l | grep -v "conf-sshd.sh" | crontab -
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echo "Crontab has been removed."
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exit 0
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fi
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else
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if [ "$cron" == "" ]; then
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cron=$default_cron
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fi
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# 将当前脚本移动到 ~/.conf-sshd/conf-sshd.sh 中.
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mkdir -p ~/.conf-sshd
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cp $0 ~/.conf-sshd/conf-sshd.sh
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chmod +x ~/.conf-sshd/conf-sshd.sh
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# 将当前脚本添加到 Crontab 中
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echo "$cron /bin/bash ~/.conf-sshd/conf-sshd.sh -o -k $sshkey_url" | crontab -
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fi
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fi
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57
install-ssh-worker/src/index.js
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57
install-ssh-worker/src/index.js
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const githubUserName = "LamGC";
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const githubInstSshProjectName = "quickly-conf-sshd";
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// 一般不用改.
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const baseUrl = `https://${githubUserName.toLowerCase()}.github.io/${githubInstSshProjectName}/`;
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const installScriptUrl = `${baseUrl}/conf-sshd.sh`;
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// 如果出现 Github 无法使用的情况, 可以修改 sshKeyUrl 来变更位置.
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const sshKeyUrl = `https://github.com/${githubUserName}.keys`;
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// 建议在此设置备用的 SSH 公钥, 以防 Github 无法使用.
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const backupSshKeys = ``;
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function getUserAgent(request) {
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return request.headers.get("User-Agent");
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}
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export default {
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async fetch(request, env) {
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const { pathname } = new URL(request.url);
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if (pathname === "/ssh.keys") {
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let response = await fetch(new Request(sshKeyUrl));
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if (response.ok) {
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return new Response(response.text(), {
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headers: {
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"content-type": "text/plain; charset=utf-8"
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}
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});
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} else {
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return new Response("Failed to get keys.", {
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status: 500,
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statusText: "Failed to get keys",
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headers: {
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"content-type": "text/plain; charset=utf-8"
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}
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});
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}
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} else if (pathname === "/") {
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const userAgent = getUserAgent(request);
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if (userAgent.match(/curl|libcurl/) !== null) {
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return new Response("", {
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status: 301,
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statusText: "Redirect",
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headers: {
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"Location": installScriptUrl
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}
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});
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} else {
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return new Response("", {
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status: 301,
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statusText: "Redirect",
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headers: {
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"Location": baseUrl
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}
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});
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}
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}
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}
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}
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3
install-ssh-worker/wrangler.toml
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3
install-ssh-worker/wrangler.toml
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name = "quickly-conf-ssh-worker"
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main = "src/index.js"
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compatibility_date = "2023-01-26"
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