publapi/pages/signup.go

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package pages
import (
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"github.com/ProjectSegfault/publapi/utils"
"github.com/containrrr/shoutrrr"
"github.com/gofiber/fiber/v2"
log "github.com/sirupsen/logrus"
"os"
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"strings"
)
// SignupPage is the signup page handler
func SignupPage(c *fiber.Ctx) error {
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SignupIP, SignupIPExists := os.LookupEnv("PUBLAPI_SIGNUP_IP")
if SignupIPExists == true {
if c.IP() != SignupIP {
log.Info("Request made from invalid IP: ", c.IP())
return c.SendStatus(fiber.StatusForbidden)
}
}
username := c.FormValue("username")
email := c.FormValue("email")
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ssh := c.FormValue("ssh")
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ip := c.FormValue("ip")
if username == "" || email == "" || ssh == "" || ip == "" {
log.Error("username, email, ssh and ip must be filled", username, email, ssh, ip)
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return c.SendStatus(fiber.StatusBadRequest)
}
// create user file
f, err := os.Create("/var/publapi/users/" + username + ".sh")
if err != nil {
log.Error("Error creating user file", err)
return c.SendStatus(fiber.StatusInternalServerError)
}
defer f.Close()
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chmoderr := os.Chmod("/var/publapi/users/"+username+".sh", 0700)
if chmoderr != nil {
log.Error(err)
}
Bashscript := strings.ReplaceAll(utils.Bashscript, "{{sshkey}}", ssh)
Bashscript = strings.ReplaceAll(Bashscript, "{{email}}", email)
Bashscript = strings.ReplaceAll(Bashscript, "{{username}}", username)
// write to file
_, err = f.WriteString(Bashscript)
if err != nil {
log.Error("Error writing to user file", err)
return c.SendStatus(fiber.StatusInternalServerError)
}
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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")
// send notification to user that their reg request was sent
err = shoutrrr.Send(os.Getenv("PUBLAPI_EMAIL_SHOUTRRRURL")+email, "Hello "+username+",\nYour registration request has been sent.\nIt will take a maximum of 48 hours for the request to be processed.\nThank you for being part of the Project Segfault Pubnix.")
if err != nil {
log.Error("Error sending email to user", err)
return c.SendStatus(fiber.StatusInternalServerError)
}
// send notification to admins
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err = shoutrrr.Send(os.Getenv("PUBLAPI_NOTIFY_SHOUTRRRURL")+os.Getenv("PUBLAPI_NOTIFY_SHOUTRRRURL"), "New user signup! Please review /var/publapi/users/"+username+".sh to approve or deny the user. IP: "+ip+" Email: "+email)
if err != nil {
log.Error("Error sending notification to admins", err)
return c.SendStatus(fiber.StatusInternalServerError)
}
return c.JSON(fiber.Map{
"username": username,
"message": "User created! Please allow us 24 hours or more to review your account.",
"status": c.Response().StatusCode(),
})
}