Files
message-pusher/controller/message.go
2023-05-12 18:28:54 +08:00

405 lines
9.5 KiB
Go

package controller
import (
"encoding/json"
"errors"
"fmt"
"github.com/gin-gonic/gin"
"message-pusher/channel"
"message-pusher/common"
"message-pusher/model"
"net/http"
"strconv"
"time"
)
func keepCompatible(message *model.Message) {
// Keep compatible with ServerChan: https://sct.ftqq.com/sendkey
if message.Description == "" {
message.Description = message.Short
}
if message.Content == "" {
message.Content = message.Desp
}
if message.To == "" {
message.To = message.OpenId
}
}
func GetPushMessage(c *gin.Context) {
message := model.Message{
Title: c.Query("title"),
Description: c.Query("description"),
Content: c.Query("content"),
URL: c.Query("url"),
Channel: c.Query("channel"),
Token: c.Query("token"),
To: c.Query("to"),
Desp: c.Query("desp"),
Short: c.Query("short"),
OpenId: c.Query("openid"),
Async: c.Query("async") == "true",
}
keepCompatible(&message)
pushMessageHelper(c, &message)
}
func PostPushMessage(c *gin.Context) {
message := model.Message{
Title: c.PostForm("title"),
Description: c.PostForm("description"),
Content: c.PostForm("content"),
URL: c.PostForm("url"),
Channel: c.PostForm("channel"),
Token: c.PostForm("token"),
To: c.PostForm("to"),
Desp: c.PostForm("desp"),
Short: c.PostForm("short"),
OpenId: c.PostForm("openid"),
Async: c.PostForm("async") == "true",
}
if message == (model.Message{}) {
// Looks like the user is using JSON
err := json.NewDecoder(c.Request.Body).Decode(&message)
if err != nil {
c.JSON(http.StatusOK, gin.H{
"success": false,
"message": "无法解析请求体,请检查其是否为合法 JSON",
})
return
}
}
keepCompatible(&message)
pushMessageHelper(c, &message)
}
func pushMessageHelper(c *gin.Context, message *model.Message) {
user := model.User{Username: c.Param("username")}
err := user.FillUserByUsername()
if err != nil {
c.JSON(http.StatusOK, gin.H{
"success": false,
"message": err.Error(),
})
return
}
if user.Status == common.UserStatusNonExisted {
c.JSON(http.StatusOK, gin.H{
"success": false,
"message": "用户不存在",
})
return
}
if user.Status == common.UserStatusDisabled {
c.JSON(http.StatusOK, gin.H{
"success": false,
"message": "用户已被封禁",
})
return
}
if user.Token != "" && user.Token != " " {
if message.Token == "" {
message.Token = c.Request.Header.Get("Authorization")
if message.Token == "" {
c.JSON(http.StatusOK, gin.H{
"success": false,
"message": "token 为空",
})
return
}
}
if user.Token != message.Token {
c.JSON(http.StatusOK, gin.H{
"success": false,
"message": "无效的 token",
})
return
}
}
processMessage(c, message, &user)
}
func processMessage(c *gin.Context, message *model.Message, user *model.User) {
if message.Title == "" {
message.Title = common.SystemName
}
if message.Channel == "" {
message.Channel = user.Channel
if message.Channel == "" {
message.Channel = model.TypeEmail
}
}
channel_, err := model.GetChannelByName(message.Channel, user.Id)
if err != nil {
c.JSON(http.StatusOK, gin.H{
"success": false,
"message": "无效的渠道名称:" + message.Channel,
})
return
}
err = saveAndSendMessage(user, message, channel_)
if err != nil {
c.JSON(http.StatusOK, gin.H{
"success": false,
"message": err.Error(),
})
return
}
c.JSON(http.StatusOK, gin.H{
"success": true,
"message": "",
"uuid": message.Link,
})
}
func saveAndSendMessage(user *model.User, message *model.Message, channel_ *model.Channel) error {
if channel_.Status != common.ChannelStatusEnabled {
return errors.New("该渠道已被禁用")
}
common.MessageCount += 1 // We don't need to use atomic here because it's not a critical value
message.Link = common.GetUUID()
if message.URL == "" {
message.URL = fmt.Sprintf("%s/message/%s", common.ServerAddress, message.Link)
}
success := false
if common.MessagePersistenceEnabled || user.SaveMessageToDatabase == common.SaveMessageToDatabaseAllowed {
defer func() {
// Update the status of the message
status := common.MessageSendStatusFailed
if message.Async {
status = common.MessageSendStatusAsyncPending
} else {
if success {
status = common.MessageSendStatusSent
}
}
err := message.UpdateStatus(status)
if err != nil {
common.SysError("failed to update the status of the message: " + err.Error())
}
if message.Async {
channel.AsyncMessageQueue <- message.Id
}
}()
err := message.UpdateAndInsert(user.Id)
if err != nil {
return err
}
go syncMessageToUser(message, user.Id)
} else {
if message.Async {
return errors.New("异步发送消息需要用户具备消息持久化的权限")
}
message.Link = "unsaved" // This is for user to identify whether the message is saved
go syncMessageToUser(message, user.Id)
}
if !message.Async {
err := channel.SendMessage(message, user, channel_)
if err != nil {
return err
}
}
success = true
return nil // After this line, the message status will be updated
}
func GetStaticFile(c *gin.Context) {
path := c.Param("file")
c.FileFromFS("public/static/"+path, http.FS(common.FS))
}
func RenderMessage(c *gin.Context) {
if !common.MessageRenderEnabled {
c.HTML(http.StatusOK, "message.html", gin.H{
"title": "无法渲染",
"time": time.Now().Format("2006-01-02 15:04:05"),
"description": "超级管理员禁用了消息渲染",
"content": "很抱歉,您所使用的消息推送服务的管理员禁用了消息渲染功能,因此您的消息无法渲染。",
})
return
}
link := c.Param("link")
if link == "unsaved" {
c.HTML(http.StatusOK, "message.html", gin.H{
"title": "无法渲染",
"time": time.Now().Format("2006-01-02 15:04:05"),
"description": "超级管理员禁用了消息持久化",
"content": "很抱歉,您所使用的消息推送服务的管理员禁用了消息持久化功能,您的消息并没有存储到数据库中,因此无法渲染。",
})
return
}
message, err := model.GetMessageByLink(link)
if err != nil {
c.Status(http.StatusNotFound)
return
}
if message.Description != "" {
message.Description, err = common.Markdown2HTML(message.Description)
if err != nil {
common.SysLog(err.Error())
}
}
if message.Content != "" {
message.HTMLContent, err = common.Markdown2HTML(message.Content)
if err != nil {
common.SysLog(err.Error())
}
}
c.HTML(http.StatusOK, "message.html", gin.H{
"title": message.Title,
"time": time.Unix(message.Timestamp, 0).Format("2006-01-02 15:04:05"),
"description": message.Description,
"content": message.HTMLContent,
})
return
}
func GetUserMessages(c *gin.Context) {
userId := c.GetInt("id")
p, _ := strconv.Atoi(c.Query("p"))
if p < 0 {
p = 0
}
messages, err := model.GetMessagesByUserId(userId, p*common.ItemsPerPage, common.ItemsPerPage)
if err != nil {
c.JSON(http.StatusOK, gin.H{
"success": false,
"message": err.Error(),
})
return
}
c.JSON(http.StatusOK, gin.H{
"success": true,
"message": "",
"data": messages,
})
return
}
func GetMessage(c *gin.Context) {
messageId, _ := strconv.Atoi(c.Param("id"))
userId := c.GetInt("id")
message, err := model.GetMessageByIds(messageId, userId)
if err != nil {
c.JSON(http.StatusOK, gin.H{
"success": false,
"message": err.Error(),
})
return
}
c.JSON(http.StatusOK, gin.H{
"success": true,
"message": "",
"data": message,
})
return
}
func GetMessageStatus(c *gin.Context) {
link := c.Param("link")
status, err := model.GetMessageStatusByLink(link)
if err != nil {
c.JSON(http.StatusOK, gin.H{
"success": false,
"message": err.Error(),
})
return
}
c.JSON(http.StatusOK, gin.H{
"success": true,
"message": "",
"status": status,
})
return
}
func SearchMessages(c *gin.Context) {
keyword := c.Query("keyword")
messages, err := model.SearchMessages(keyword)
if err != nil {
c.JSON(http.StatusOK, gin.H{
"success": false,
"message": err.Error(),
})
return
}
c.JSON(http.StatusOK, gin.H{
"success": true,
"message": "",
"data": messages,
})
return
}
func ResendMessage(c *gin.Context) {
messageId, _ := strconv.Atoi(c.Param("id"))
userId := c.GetInt("id")
helper := func() error {
message, err := model.GetMessageByIds(messageId, userId)
message.Id = 0
if err != nil {
return err
}
user, err := model.GetUserById(userId, true)
if err != nil {
return err
}
channel_, err := model.GetChannelByName(message.Channel, user.Id)
if err != nil {
return err
}
err = saveAndSendMessage(user, message, channel_)
if err != nil {
return err
}
return nil
}
err := helper()
if err != nil {
c.JSON(http.StatusOK, gin.H{
"success": false,
"message": err.Error(),
})
return
}
c.JSON(http.StatusOK, gin.H{
"success": true,
"message": "",
})
return
}
func DeleteMessage(c *gin.Context) {
messageId, _ := strconv.Atoi(c.Param("id"))
userId := c.GetInt("id")
err := model.DeleteMessageById(messageId, userId)
if err != nil {
c.JSON(http.StatusOK, gin.H{
"success": false,
"message": err.Error(),
})
return
}
c.JSON(http.StatusOK, gin.H{
"success": true,
"message": "",
})
return
}
func DeleteAllMessages(c *gin.Context) {
err := model.DeleteAllMessages()
if err != nil {
c.JSON(http.StatusOK, gin.H{
"success": false,
"message": err.Error(),
})
return
}
c.JSON(http.StatusOK, gin.H{
"success": true,
"message": "",
})
return
}