getArticles.go

@@ -87,6 +87,7 @@ func getArticles(feedURL string, max int, noExcerpt bool, filter []string, filte
 		if err != nil {
 			log.Fatal("Error: Can't create cache file:", err)
 		}
+		defer file.Close()
 
 		last = time.Now()
 
@@ -95,7 +96,6 @@ func getArticles(feedURL string, max int, noExcerpt bool, filter []string, filte
 		lastUpdateJSON, _ := json.MarshalIndent(lastUpdate, "", " ")
 		_, err = file.Write(lastUpdateJSON)
 		if err != nil {
-			file.Close()
 			log.Fatal("Error: Can't write last update time stamp to cache file:", err)
 		}
 
@@ -103,24 +103,21 @@ func getArticles(feedURL string, max int, noExcerpt bool, filter []string, filte
 
 		file, err = os.OpenFile(cacheFile, os.O_RDWR, 0o600)
 		if err != nil {
-			file.Close()
 			log.Fatal("Error: Can't open cache file:", err)
 		}
+		defer file.Close()
 
 		decoder := json.NewDecoder(file)
 		lastUpdate := feedCache{}
 		if err := decoder.Decode(&lastUpdate); err != nil {
-			file.Close()
 			log.Fatal("Error: Can't decode laste updates time stamp:", err)
 		}
 
 		last, err = time.Parse(time.RFC3339, string(lastUpdate.LastChange))
 		if err != nil {
-			file.Close()
 			log.Fatal("Error: Can't parse last updates time stamp:", err)
 		}
 	}
-	file.Close()
 
 	fp := gofeed.NewParser()
 	feed, err := fp.ParseURL(feedURL)
@@ -142,11 +139,13 @@ func getArticles(feedURL string, max int, noExcerpt bool, filter []string, filte
 		if last.After(*feed.Items[0].UpdatedParsed) {
 			return "", err
 		}
-	} else if last.After(*feed.Items[0].PublishedParsed) {
+	} else {
 		// If cached timestamp is newer than the one of
 		// the last article return.
+		if last.After(*feed.Items[0].PublishedParsed) {
 			return "", err
 		}
+	}
 
 	// Check last n (defined in config) articles for new ones.
 	for i := max - 1; i >= 0; i-- {
@@ -189,14 +188,13 @@ func getArticles(feedURL string, max int, noExcerpt bool, filter []string, filte
 		if err != nil {
 			log.Fatal("Error: Can't create cache file:", err)
 		}
+		defer file.Close()
 
 		lastUpdateJSON, _ := json.MarshalIndent(lastUpdate, "", " ")
 		_, err = file.Write(lastUpdateJSON)
 		if err != nil {
-			file.Close()
 			log.Fatal("Error: Can't write last update time stamp to cache file:", err)
 		}
-		file.Close()
 
 		// Remove redirects and tracking parameters from URL.
 		cleanURL, _ := removeTracking(article.Link)
@@ -251,7 +249,7 @@ func getArticles(feedURL string, max int, noExcerpt bool, filter []string, filte
 			}
 
 			// Remove lines only consisting of "> "; thank you reddit.
-			description = strings.ReplaceAll(description, "> \n", "")
+			description = strings.Replace(description, "> \n", "", -1)
 
 			// Split article description/content in single lines.
 			lines := strings.Split(description, "\n")
@@ -270,10 +268,10 @@ func getArticles(feedURL string, max int, noExcerpt bool, filter []string, filte
 						}
 					}
 					if !filterStrike {
-						description += line
+						description = description + line
 						// Add new line, except for the last line.
 						if i < descriptionLength-1 {
-							description += "\n"
+							description = description + "\n"
 						}
 					}
 				}
@@ -295,7 +293,7 @@ func getArticles(feedURL string, max int, noExcerpt bool, filter []string, filte
 			// Only append article link if it is not yet contained in description (e.g. read more: URL).
 			if strings.Contains(description, article.Link) {
 				// Replace article link with URL cleaned from redirects and trackers.
-				description = strings.ReplaceAll(description, article.Link, cleanURL)
+				description = strings.Replace(description, article.Link, cleanURL, -1)
 				output = output + feed.Title + ": *" + article.Title + "*\n\n" + description
 			} else {
 				output = output + feed.Title + ": *" + article.Title + "*\n\n" + description + "\n" + cleanURL
@@ -303,7 +301,7 @@ func getArticles(feedURL string, max int, noExcerpt bool, filter []string, filte
 		}
 
 		if i > 0 {
-			output += "\n\n---\n\n"
+			output = output + "\n\n---\n\n"
 		}
 	}
 

go.mod

@@ -22,7 +22,7 @@ require (
 	github.com/olekukonko/tablewriter v0.0.5 // indirect
 	github.com/rivo/uniseg v0.4.7 // indirect
 	github.com/ssor/bom v0.0.0-20170718123548-6386211fdfcf // indirect
-	golang.org/x/crypto v0.28.0 // indirect
+	golang.org/x/crypto v0.27.0 // indirect
-	golang.org/x/net v0.30.0 // indirect
+	golang.org/x/net v0.29.0 // indirect
-	golang.org/x/text v0.19.0 // indirect
+	golang.org/x/text v0.18.0 // indirect
 )

go.sum

@@ -42,8 +42,8 @@ github.com/xmppo/go-xmpp v0.2.2/go.mod h1:0ZxTwt7zQQbRkVg9PpBISmGAjmxf+oik0JyAah
 github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
-golang.org/x/crypto v0.28.0 h1:GBDwsMXVQi34v5CCYUm2jkJvu4cbtru2U4TN2PSyQnw=
+golang.org/x/crypto v0.27.0 h1:GXm2NjJrPaiv/h1tb2UH8QfgC/hOf/+z0p6PT8o1w7A=
-golang.org/x/crypto v0.28.0/go.mod h1:rmgy+3RHxRZMyY0jjAJShp2zgEdOqj2AO7U0pYmeQ7U=
+golang.org/x/crypto v0.27.0/go.mod h1:1Xngt8kV6Dvbssa53Ziq6Eqn0HqbZi5Z6R0ZpwQzt70=
 golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
 golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
@@ -51,8 +51,8 @@ golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v
 golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
 golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
 golang.org/x/net v0.9.0/go.mod h1:d48xBJpPfHeWQsugry2m+kC02ZBRGRgulfHnEXEuWns=
-golang.org/x/net v0.30.0 h1:AcW1SDZMkb8IpzCdQUaIq2sP4sZ4zw+55h6ynffypl4=
+golang.org/x/net v0.29.0 h1:5ORfpBpCs4HzDYoodCDBbwHzdR5UrLBZ3sOnUJmFoHo=
-golang.org/x/net v0.30.0/go.mod h1:2wGyMJ5iFasEhkwi13ChkO/t1ECNC4X4eBKkVFyYFlU=
+golang.org/x/net v0.29.0/go.mod h1:gLkgy8jTGERgjzMic6DS9+SP0ajcu6Xu3Orq/SpETg0=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -72,8 +72,8 @@ golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
-golang.org/x/text v0.19.0 h1:kTxAhCbGbxhK0IwgSKiMO5awPoDQ0RpfiVYBfK860YM=
+golang.org/x/text v0.18.0 h1:XvMDiNzPAl0jr17s6W9lcaIhGUfUORdGCNsuLmPG224=
-golang.org/x/text v0.19.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY=
+golang.org/x/text v0.18.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=

openConfig.go

@@ -62,13 +62,12 @@ func openConfig(configFilePtr *string) configuration {
 
 	// Read configuration file into variable config.
 	file, _ := os.Open(configFile)
+	defer file.Close()
 	decoder := json.NewDecoder(file)
 	config := configuration{}
 	if err := decoder.Decode(&config); err != nil {
-		file.Close()
 		log.Fatal("Error: Can't decode config: ", err)
 	}
-	file.Close()
 
 	if _, err := os.Stat(configFile); os.IsNotExist(err) {
 		err = os.MkdirAll(configPath, 0o700)

processStanzas.go

@@ -24,9 +24,8 @@ func processStanzas(client *xmpp.Client, muc string, mucNick string, feeds []str
 		case xmpp.Chat:
 			var command string
 
-			switch v.Type {
 			// Check for room mention of the bots nick if the the message type is groupchat.
-			case "groupchat":
+			if v.Type == "groupchat" {
 				// Leave if option quiet is set.
 				if quiet {
 					break
@@ -53,9 +52,9 @@ func processStanzas(client *xmpp.Client, muc string, mucNick string, feeds []str
 				command = strings.ToLower(strings.Split(v.Text, " ")[1])
 				// If the message type is chat (e.g. private message), the command is the
 				// first word.
-			case "chat":
+			} else if v.Type == "chat" {
 				command = strings.ToLower(strings.Split(v.Text, " ")[0])
-			default:
+			} else {
 				break
 			}
 
@@ -205,9 +204,8 @@ func processStanzas(client *xmpp.Client, muc string, mucNick string, feeds []str
 
 			if v.Type == "get" {
 				// Reply to disco#info requests according to https://xmpp.org/extensions/xep-0030.html.
-				switch {
+				if strings.Contains(string(v.Query),
-				case strings.Contains(string(v.Query),
+					"<query xmlns='http://jabber.org/protocol/disco#info'/>") {
-					"<query xmlns='http://jabber.org/protocol/disco#info'/>"):
 					_, err := client.RawInformation(client.JID(), v.From, v.ID,
 						"result", "<query xmlns='http://jabber.org/protocol/disco#info'>"+
 							"<identity category='client' type='bot' name='feedbot'/>"+
@@ -215,13 +213,13 @@ func processStanzas(client *xmpp.Client, muc string, mucNick string, feeds []str
 					if err != nil {
 						log.Fatal("Error: Failed to reply to disco#info:", err)
 					}
-				case strings.Contains(string(v.Query), "<ping xmlns='urn:xmpp:ping'/>"):
+				} else if strings.Contains(string(v.Query), "<ping xmlns='urn:xmpp:ping'/>") {
 					// Reply to pings.
 					_, err := client.RawInformation(client.JID(), v.From, v.ID, "result", "")
 					if err != nil {
 						log.Fatal("Error: Failed to reply to ping:", err)
 					}
-				default:
+				} else {
 					// Send error replies for all other IQs.
 					_, err := client.RawInformation(client.JID(), v.From, v.ID, "error",
 						"<error type='cancel'><service-unavailable "+