75 lines
2.6 KiB
Go
75 lines
2.6 KiB
Go
package pages
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import (
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"encoding/base64"
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"github.com/gofiber/fiber/v2"
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"os"
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"github.com/containrrr/shoutrrr"
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log "github.com/sirupsen/logrus"
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)
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// SignupPage is the signup page handler
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func SignupPage(c *fiber.Ctx) error {
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username := c.FormValue("username")
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email := c.FormValue("email")
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ssh := c.FormValue("ssh")
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if username == "" || email == "" || ssh == "" {
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log.Error("username, email and ssh must be filled", username, email, ssh)
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return c.SendStatus(fiber.StatusBadRequest)
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}
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sshke, err := base64.StdEncoding.DecodeString(ssh)
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sshkey := string(sshke)
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if err != nil {
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log.Error("unable to decode base64 ssh key")
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return c.SendStatus(fiber.StatusBadRequest)
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}
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// create user file
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f, err := os.Create("/var/publapi/users/" + username + ".sh")
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if err != nil {
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log.Error("Error creating user file", err)
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return c.SendStatus(fiber.StatusInternalServerError)
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}
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defer f.Close()
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bashscript := "#!/bin/bash \n" +
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"# Path: /var/publapi/users/" + username + ".sh\n" +
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"# This file is generated by publapi. Do not edit this file.\n" +
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"echo \"email of " + username + " is " + email + "\"\n" +
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"pass=\"$(tr -dc A-Za-z0-9 </dev/urandom | head -c 64)\"\n" +
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"useradd -Um -s /bin/bash " + username + "\n" +
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"printf \"%s\\n%s\" \"${pass}\" \"${pass}\" | passwd " + username + "\n" +
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"mkdir /home/" + username + "/.ssh\n" +
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"echo '" + sshkey + "' > /home/" + username + "/.ssh/authorized_keys\n" +
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"chmod 700 /home/" + username + "/.ssh\n" +
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"chmod 600 /home/" + username + "/.ssh/authorized_keys\n" +
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"chown -R " + username + ":" + username + " /home/" + username + "/.ssh\n" +
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"echo \"${pass}\" > /home/" + username + "/pass\n" +
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"chmod 600 /home/" + username + "/pass\n" +
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"chown " + username + ":" + username + " /home/" + username + "/pass\n" +
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"echo \"" + username + "'s account has been created!\""
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// write to file
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_, err = f.WriteString(bashscript)
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if err != nil {
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log.Error("Error writing to user file", err)
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return c.SendStatus(fiber.StatusInternalServerError)
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}
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log.Info("Registration request for " + username + " has been submitted by the frontend and has been written to /var/publapi/users/" + username + ".sh")
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// send notification to admins
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err = shoutrrr.Send(os.Getenv("PUBLAPI_SHOUTRRRURL"), "New user signup! Please review /var/publapi/users/"+username+".sh to approve or deny the user.")
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if err != nil {
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log.Error("Error sending notification to admins", err)
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return c.SendStatus(fiber.StatusInternalServerError)
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}
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return c.JSON(fiber.Map{
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"username": username,
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"message": "User created! Please allow us 24 hours or more to review your account.",
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"status": c.Response().StatusCode(),
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})
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}
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