Merge pull request #55 from jhalter/add_client_error_messaging

[rbdr/mobius] / hotline / transaction_handlers.go

diff --git a/hotline/transaction_handlers.go b/hotline/transaction_handlers.go
index 8ba363279f54512844edcc58ae1eb6f17edbdae4..3ecb6bd046ab15f5a5c11bcaf317b2532f8fd781 100644 (file)
--- a/hotline/transaction_handlers.go
+++ b/hotline/transaction_handlers.go
@@ -6,7 +6,6 @@ import (
        "errors"
        "fmt"
        "gopkg.in/yaml.v3"
-       "io/ioutil"
        "math/big"
        "os"
        "path"
@@ -921,7 +920,7 @@ func HandleTranAgreed(cc *ClientConn, t *Transaction) (res []Transaction, err er
        cc.Icon = t.GetField(fieldUserIconID).Data
 
        cc.logger = cc.logger.With("name", string(cc.UserName))
-       cc.logger.Infow("Login successful", "clientVersion", fmt.Sprintf("%x", cc.Version))
+       cc.logger.Infow("Login successful", "clientVersion", fmt.Sprintf("%v", func() int { i, _ := byteToInt(cc.Version); return i }()))
 
        options := t.GetField(fieldOptions).Data
        optBitmap := big.NewInt(int64(binary.BigEndian.Uint16(options)))
@@ -1001,14 +1000,14 @@ func HandleTranOldPostNews(cc *ClientConn, t *Transaction) (res []Transaction, e
        newsPost := fmt.Sprintf(newsTemplate+"\r", cc.UserName, time.Now().Format(newsDateTemplate), t.GetField(fieldData).Data)
        newsPost = strings.Replace(newsPost, "\n", "\r", -1)
 
-       // update news in memory
-       cc.Server.FlatNews = append([]byte(newsPost), cc.Server.FlatNews...)
-
        // update news on disk
-       if err := ioutil.WriteFile(cc.Server.ConfigDir+"MessageBoard.txt", cc.Server.FlatNews, 0644); err != nil {
+       if err := cc.Server.FS.WriteFile(filepath.Join(cc.Server.ConfigDir, "MessageBoard.txt"), cc.Server.FlatNews, 0644); err != nil {
                return res, err
        }
 
+       // update news in memory
+       cc.Server.FlatNews = append([]byte(newsPost), cc.Server.FlatNews...)
+
        // Notify all clients of updated news
        cc.sendAll(
                tranNewMsg,
@@ -1244,18 +1243,15 @@ func HandleGetNewsArtData(cc *ClientConn, t *Transaction) (res []Transaction, er
        return res, err
 }
 
+// HandleDelNewsItem deletes an existing threaded news folder or category from the server.
+// Fields used in the request:
+// 325 News path
+// Fields used in the reply:
+// None
 func HandleDelNewsItem(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
-       // Has multiple access flags: News Delete Folder (37) or News Delete Category (35)
-       // TODO: Implement
-
        pathStrs := ReadNewsPath(t.GetField(fieldNewsPath).Data)
 
-       // TODO: determine if path is a Folder (Bundle) or Category and check for permission
-
-       cc.logger.Infof("DelNewsItem %v", pathStrs)
-
        cats := cc.Server.ThreadedNews.Categories
-
        delName := pathStrs[len(pathStrs)-1]
        if len(pathStrs) > 1 {
                for _, fp := range pathStrs[0 : len(pathStrs)-1] {
@@ -1263,17 +1259,23 @@ func HandleDelNewsItem(cc *ClientConn, t *Transaction) (res []Transaction, err e
                }
        }
 
+       if bytes.Compare(cats[delName].Type, []byte{0, 3}) == 0 {
+               if !cc.Authorize(accessNewsDeleteCat) {
+                       return append(res, cc.NewErrReply(t, "You are not allowed to delete news categories.")), nil
+               }
+       } else {
+               if !cc.Authorize(accessNewsDeleteFldr) {
+                       return append(res, cc.NewErrReply(t, "You are not allowed to delete news folders.")), nil
+               }
+       }
+
        delete(cats, delName)
 
-       err = cc.Server.writeThreadedNews()
-       if err != nil {
+       if err := cc.Server.writeThreadedNews(); err != nil {
                return res, err
        }
 
-       // Reply params: none
-       res = append(res, cc.NewReply(t))
-
-       return res, err
+       return append(res, cc.NewReply(t)), nil
 }
 
 func HandleDelNewsArt(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
@@ -1918,6 +1920,12 @@ func HandleMakeAlias(cc *ClientConn, t *Transaction) (res []Transaction, err err
        return res, err
 }
 
+// HandleDownloadBanner handles requests for a new banner from the server
+// Fields used in the request:
+// None
+// Fields used in the reply:
+// 107 fieldRefNum                     Used later for transfer
+// 108 fieldTransferSize       Size of data to be downloaded
 func HandleDownloadBanner(cc *ClientConn, t *Transaction) (res []Transaction, err error) {
        fi, err := cc.Server.FS.Stat(filepath.Join(cc.Server.ConfigDir, cc.Server.Config.BannerFile))
        if err != nil {