Update go.yml

Download videos by hashtag; limit option; get just json data

.github/workflows/go.yml

@@ -1,5 +1,5 @@
 name: tiktok-dl_CI
-on: [push]
+on: [push, pull_request]
 jobs:
   build:
     strategy:

.gitignore

@@ -4,3 +4,5 @@ __debug_bin
 downloads
 *.exe
 tiktok-dl
+batch_file.txt
+debug.log

README.md

@@ -8,7 +8,9 @@ A simple tiktok video downloader written in go
 ## Basic usage
 Download the executable from `https://github.com/pikami/tiktok-dl/releases`\
 You can download all videos from user by running `./tiktok-dl [Options] TIKTOK_USERNAME`\
-You can download single video by running `./tiktok-dl [Options] VIDEO_URL`
+You can download single video by running `./tiktok-dl [Options] VIDEO_URL`\
+You can download all videos by music by running `./tiktok-dl [Options] MUSIC_URL`\
+You can download items listed in a text file by running `./tiktok-dl [OPTIONS] -batch-file path/to/items.txt`
 
 ## Build instructions
 Clone this repository and run `go build` to build the executable.
@@ -17,6 +19,12 @@ Clone this repository and run `go build` to build the executable.
 * `-debug` - enables debug mode
 * `-output some_directory` - Output path (default "./downloads")
 * `-metadata` - Write video metadata to a .json file
+* `-batch-file` - File containing URLs/Usernames to download, one value per line. Lines starting with '#', are considered as comments and ignored.
+* `-deadline` - Sets the timout for scraper logic in seconds (used as a workaround for context deadline exceeded error) (default 1500)
+* `-quiet` - Supress output
+* `-json` - Returns whole data, that was scraped from TikTok, in json
+* `-limit` - Sets the max count of video that will be downloaded (default infinity)
 
 ## Acknowledgments
-This software uses the chromedp for web scraping, it can be found here: https://github.com/chromedp/chromedp
+This software uses the **chromedp** for web scraping, it can be found here: https://github.com/chromedp/chromedp \
+For releases the JS code is minified by using **terser** toolkit, it can be found here: https://github.com/terser/terser

client/executeClientAction.go

@@ -0,0 +1,114 @@
+package client
+
+import (
+	"context"
+	"errors"
+	"github.com/chromedp/chromedp"
+	"io/ioutil"
+	"log"
+	"os"
+	"strings"
+	"time"
+
+	config "../models/config"
+	utils "../utils"
+)
+
+// GetMusicUploads - Get all uploads by given music
+func executeClientAction(url string, jsAction string) (string, error) {
+	dir, err := ioutil.TempDir("", "chromedp-example")
+	if err != nil {
+		return "", err
+	}
+	defer os.RemoveAll(dir)
+
+	opts := append(chromedp.DefaultExecAllocatorOptions[:],
+		chromedp.DisableGPU,
+		chromedp.UserDataDir(dir),
+		chromedp.Flag("headless", !config.Config.Debug),
+	)
+
+	allocCtx, cancel := chromedp.NewExecAllocator(context.Background(), opts...)
+	defer cancel()
+
+	ctx, cancel := chromedp.NewContext(
+		allocCtx,
+		chromedp.WithLogf(log.Printf),
+	)
+	defer cancel()
+
+	ctx, cancel = context.WithTimeout(ctx, time.Duration(config.Config.Deadline)*time.Second)
+	defer cancel()
+
+	jsOutput, err := runScrapeWithInfo(ctx, jsAction, url)
+	if strings.HasPrefix(jsOutput, "\"ERR:") {
+		err = errors.New(jsOutput)
+	}
+	return jsOutput, err
+}
+
+func runScrapeQuiet(ctx context.Context, jsAction string, url string) (string, error) {
+	var jsOutput string
+	if err := chromedp.Run(ctx,
+		// Navigate to user's page
+		chromedp.Navigate(url),
+		// Execute url grabber script
+		chromedp.EvaluateAsDevTools(utils.ReadFileAsString("scraper.js"), &jsOutput),
+		chromedp.EvaluateAsDevTools(jsAction, &jsOutput),
+		// Wait until custom js finishes
+		chromedp.WaitVisible(`video_urls`),
+		// Grab url links from our element
+		chromedp.InnerHTML(`video_urls`, &jsOutput),
+	); err != nil {
+		return "", err
+	}
+
+	return jsOutput, nil
+}
+
+func runScrapeWithInfo(ctx context.Context, jsAction string, url string) (string, error) {
+	var jsOutput string
+	if err := chromedp.Run(ctx,
+		// Navigate to user's page
+		chromedp.Navigate(url),
+		// Execute url grabber script
+		chromedp.EvaluateAsDevTools(utils.ReadFileAsString("scraper.js"), &jsOutput),
+		chromedp.EvaluateAsDevTools(jsAction, &jsOutput),
+	); err != nil {
+		return "", err
+	}
+
+	for {
+		if err := chromedp.Run(ctx, chromedp.EvaluateAsDevTools("currentState.preloadCount.toString()", &jsOutput)); err != nil {
+			return "", err
+		}
+
+		if jsOutput != "0" {
+			utils.Logf("\rPreloading... %s items have been founded.", jsOutput)
+		} else {
+			utils.Logf("\rPreloading...")
+		}
+
+		if err := chromedp.Run(ctx, chromedp.EvaluateAsDevTools("currentState.finished.toString()", &jsOutput)); err != nil {
+			return "", err
+		}
+
+		if jsOutput == "true" {
+			break
+		}
+
+		time.Sleep(50 * time.Millisecond)
+	}
+
+	utils.Log("\nRetrieving items...")
+	if err := chromedp.Run(ctx,
+		// Wait until custom js finishes
+		chromedp.WaitVisible(`video_urls`),
+		// Grab url links from our element
+		chromedp.InnerHTML(`video_urls`, &jsOutput),
+	); err != nil {
+		return "", err
+	}
+
+	return jsOutput, nil
+}

client/getHashtagUploads.go

@@ -0,0 +1,26 @@
+package client
+
+import (
+	models "../models"
+	config "../models/config"
+	"fmt"
+)
+
+// GetUserUploads - Get all uploads marked with given hashtag
+func GetHashtagUploads(hashtagURL string) ([]models.Upload, error) {
+	jsMethod := fmt.Sprintf("bootstrapIteratingVideos(%d)", config.Config.Limit)
+	actionOutput, err := executeClientAction(hashtagURL, jsMethod)
+	if err != nil {
+		return nil, err
+	}
+	return models.ParseUploads(actionOutput), nil
+}
+
+func GetHashtagUploadsJson(hashtagURL string) (string, error) {
+	jsMethod := fmt.Sprintf("bootstrapIteratingVideos(%d)", config.Config.Limit)
+	actionOutput, err := executeClientAction(hashtagURL, jsMethod)
+	if err != nil {
+		return "", err
+	}
+	return actionOutput, nil
+}

client/getMusicUploads.go

@@ -0,0 +1,26 @@
+package client
+
+import (
+	models "../models"
+	config "../models/config"
+	"fmt"
+)
+
+// GetMusicUploads - Get all uploads by given music
+func GetMusicUploads(url string) ([]models.Upload, error) {
+	jsMethod := fmt.Sprintf("bootstrapIteratingVideos(%d)", config.Config.Limit)
+	actionOutput, err := executeClientAction(url, jsMethod)
+	if err != nil {
+		return nil, err
+	}
+	return models.ParseUploads(actionOutput), nil
+}
+
+func GetMusicUploadsJson(url string) (string, error) {
+	jsMethod := fmt.Sprintf("bootstrapIteratingVideos(%d)", config.Config.Limit)
+	actionOutput, err := executeClientAction(url, jsMethod)
+	if err != nil {
+		return "", err
+	}
+	return actionOutput, nil
+}

client/getUserUploads.go

@@ -1,58 +1,26 @@
 package client
 
 import (
-	"context"
-	"github.com/chromedp/chromedp"
-	"io/ioutil"
-	"log"
-	"os"
-	"time"
-
 	models "../models"
-	utils "../utils"
+	config "../models/config"
+	"fmt"
 )
 
 // GetUserUploads - Get all uploads by user
-func GetUserUploads(username string) []models.Upload {
-	dir, err := ioutil.TempDir("", "chromedp-example")
+func GetUserUploads(username string) ([]models.Upload, error) {
+	jsMethod := fmt.Sprintf("bootstrapIteratingVideos(%d)", config.Config.Limit)
+	actionOutput, err := executeClientAction(`https://www.tiktok.com/@`+username, jsMethod)
 	if err != nil {
-		panic(err)
+		return nil, err
 	}
-	defer os.RemoveAll(dir)
-
-	opts := append(chromedp.DefaultExecAllocatorOptions[:],
-		chromedp.DisableGPU,
-		chromedp.UserDataDir(dir),
-		chromedp.Flag("headless", !models.Config.Debug),
-	)
-
-	allocCtx, cancel := chromedp.NewExecAllocator(context.Background(), opts...)
-	defer cancel()
-
-	ctx, cancel := chromedp.NewContext(
-		allocCtx,
-		chromedp.WithLogf(log.Printf),
-	)
-	defer cancel()
-
-	ctx, cancel = context.WithTimeout(ctx, 1500*time.Second)
-	defer cancel()
-
-	var jsOutput string
-	err = chromedp.Run(ctx,
-		// Navigate to user's page
-		chromedp.Navigate(`https://www.tiktok.com/@`+username),
-		// Execute url grabber script
-		chromedp.EvaluateAsDevTools(utils.ReadFileAsString("scraper.js"), &jsOutput),
-		chromedp.EvaluateAsDevTools("bootstrapIteratingVideos()", &jsOutput),
-		// Wait until custom js finishes
-		chromedp.WaitVisible(`video_urls`),
-		// Grab url links from our element
-		chromedp.InnerHTML(`video_urls`, &jsOutput),
-	)
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	return models.ParseUploads(jsOutput)
+	return models.ParseUploads(actionOutput), nil
+}
+
+func GetUserUploadsJson(username string) (string, error) {
+	jsMethod := fmt.Sprintf("bootstrapIteratingVideos(%d)", config.Config.Limit)
+	actionOutput, err := executeClientAction(`https://www.tiktok.com/@`+username, jsMethod)
+	if err != nil {
+		return "", err
+	}
+	return actionOutput, nil
 }

client/getVideoDetails.go

@@ -1,58 +1,14 @@
 package client
 
 import (
-	"context"
-	"github.com/chromedp/chromedp"
-	"io/ioutil"
-	"log"
-	"os"
-	"time"
-
 	models "../models"
-	utils "../utils"
 )
 
 // GetVideoDetails - returns details of video
-func GetVideoDetails(videoURL string) models.Upload {
-	dir, err := ioutil.TempDir("", "chromedp-example")
+func GetVideoDetails(videoURL string) (models.Upload, error) {
+	actionOutput, err := executeClientAction(videoURL, "bootstrapGetCurrentVideo()")
 	if err != nil {
-		panic(err)
+		return models.Upload{}, err
 	}
-	defer os.RemoveAll(dir)
-
-	opts := append(chromedp.DefaultExecAllocatorOptions[:],
-		chromedp.DisableGPU,
-		chromedp.UserDataDir(dir),
-		chromedp.Flag("headless", !models.Config.Debug),
-	)
-
-	allocCtx, cancel := chromedp.NewExecAllocator(context.Background(), opts...)
-	defer cancel()
-
-	ctx, cancel := chromedp.NewContext(
-		allocCtx,
-		chromedp.WithLogf(log.Printf),
-	)
-	defer cancel()
-
-	ctx, cancel = context.WithTimeout(ctx, 1500*time.Second)
-	defer cancel()
-
-	var jsOutput string
-	err = chromedp.Run(ctx,
-		// Navigate to user's page
-		chromedp.Navigate(videoURL),
-		// Execute url grabber script
-		chromedp.EvaluateAsDevTools(utils.ReadFileAsString("scraper.js"), &jsOutput),
-		chromedp.EvaluateAsDevTools("bootstrapGetCurrentVideo()", &jsOutput),
-		// Wait until custom js finishes
-		chromedp.WaitVisible(`video_urls`),
-		// Grab url links from our element
-		chromedp.InnerHTML(`video_urls`, &jsOutput),
-	)
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	return models.ParseUpload(jsOutput)
+	return models.ParseUpload(actionOutput), nil
 }

main.go

@@ -1,25 +1,20 @@
 package main
 
 import (
-	models "./models"
+	config "./models/config"
 	workflows "./workflows"
 )
 
 func main() {
-	models.GetConfig()
-	url := models.Config.URL
+	config.GetConfig()
+	url := config.Config.URL
+	batchFilePath := config.Config.BatchFilePath
 
-	// Single video
-	if workflows.CanUseDownloadSingleVideo(url) {
-		workflows.DownloadSingleVideo(url)
+	// Batch file
+	if workflows.CanUseDownloadBatchFile(batchFilePath) {
+		workflows.DownloadBatchFile(batchFilePath)
 		return
 	}
 
-	// Tiktok user
-	if workflows.CanUseDownloadUser(url) {
-		workflows.DownloadUser(models.GetUsername())
-		return
-	}
-
-	panic("Could not recognise URL format")
+	workflows.StartWorkflowByParameter(url)
 }

models/config.go

@@ -1,50 +0,0 @@
-package models
-
-import (
-	"flag"
-	"fmt"
-	"os"
-	"regexp"
-	"strings"
-)
-
-// Config - Runtime configuration
-var Config struct {
-	URL        string
-	OutputPath string
-	Debug      bool
-	MetaData   bool
-}
-
-// GetConfig - Returns Config object
-func GetConfig() {
-	outputPath := flag.String("output", "./downloads", "Output path")
-	debug := flag.Bool("debug", false, "Enables debug mode")
-	metadata := flag.Bool("metadata", false, "Write video metadata to a .json file")
-	flag.Parse()
-
-	args := flag.Args()
-	if len(args) < 1 {
-		fmt.Println("Usage: tiktok-dl [OPTIONS] TIKTOK_USERNAME|TIKTOK_URL")
-		os.Exit(2)
-	}
-
-	Config.URL = flag.Args()[len(args)-1]
-	Config.OutputPath = *outputPath
-	Config.Debug = *debug
-	Config.MetaData = *metadata
-}
-
-// GetUsername - Get's username from passed URL param
-func GetUsername() string {
-	if match := strings.Contains(Config.URL, "/"); !match { // Not url
-		return strings.Replace(Config.URL, "@", "", -1)
-	}
-
-	if match, _ := regexp.MatchString(".+tiktok\\.com/@.+", Config.URL); match { // URL
-		stripedSuffix := strings.Split(Config.URL, "@")[1]
-		return strings.Split(stripedSuffix, "/")[0]
-	}
-
-	panic("Could not recognise URL format")
-}

models/config/config.go

@@ -0,0 +1,57 @@
+package config
+
+import (
+	"flag"
+	"fmt"
+	"os"
+)
+
+// Config - Runtime configuration
+var Config struct {
+	URL           string
+	OutputPath    string
+	BatchFilePath string
+	Debug         bool
+	MetaData      bool
+	Quiet         bool
+	Deadline      int
+	Limit         int
+	JSONOnly      bool
+}
+
+// GetConfig - Returns Config object
+func GetConfig() {
+	outputPath := flag.String("output", "./downloads", "Output path")
+	batchFilePath := flag.String("batch-file", "", "File containing URLs/Usernames to download, one value per line. Lines starting with '#', are considered as comments and ignored.")
+	debug := flag.Bool("debug", false, "Enables debug mode")
+	metadata := flag.Bool("metadata", false, "Write video metadata to a .json file")
+	quiet := flag.Bool("quiet", false, "Supress output")
+	deadline := flag.Int("deadline", 1500, "Sets the timout for scraper logic in seconds (used as a workaround for 'context deadline exceeded' error)")
+	limit := flag.Int("limit", 0, "Sets the videos count limit (useful when there too many videos from the user or by hashtag)")
+	jsonOnly := flag.Bool("json", false, "Just get JSON data from scraper (without video downloading)")
+	flag.Parse()
+
+	args := flag.Args()
+	if len(args) < 1 && *batchFilePath == "" {
+		fmt.Println("Usage: tiktok-dl [OPTIONS] TIKTOK_USERNAME|TIKTOK_URL")
+		fmt.Println("  or:  tiktok-dl [OPTIONS] -batch-file path/to/users.txt")
+		os.Exit(2)
+	}
+
+	if len(args) > 0 {
+		Config.URL = flag.Args()[len(args)-1]
+	} else {
+		Config.URL = ""
+	}
+	Config.OutputPath = *outputPath
+	Config.BatchFilePath = *batchFilePath
+	Config.Debug = *debug
+	Config.MetaData = *metadata
+	Config.Quiet = *quiet
+	if *jsonOnly {
+		Config.Quiet = true
+	}
+	Config.Deadline = *deadline
+	Config.Limit = *limit
+	Config.JSONOnly = *jsonOnly
+}

models/upload.go

@@ -1,8 +1,9 @@
 package models
 
 import (
+	res "../resources"
+	utils "../utils"
 	"encoding/json"
-	"fmt"
 	"os"
 	"strings"
 )
@@ -12,6 +13,7 @@ type Upload struct {
 	URL       string `json:"url"`
 	ShareLink string `json:"shareLink"`
 	Caption   string `json:"caption"`
+	Uploader  string `json:"uploader"`
 	Sound     Sound  `json:"sound"`
 }
 
@@ -45,21 +47,16 @@ func (u Upload) GetUploadID() string {
 func (u Upload) WriteToFile(outputPath string) {
 	bytes, err := json.Marshal(u)
 	if err != nil {
-		fmt.Printf("Could not serialize json for video: %s", u.GetUploadID())
-		fmt.Println()
+		utils.Logf(res.ErrorCouldNotSerializeJSON, u.GetUploadID())
 		panic(err)
 	}
 
 	// Create the file
 	out, err := os.Create(outputPath)
-	if err != nil {
-		panic(err)
-	}
+	utils.CheckErr(err)
 	defer out.Close()
 
 	// Write to file
 	_, err = out.Write(bytes)
-	if err != nil {
-		panic(err)
-	}
+	utils.CheckErr(err)
 }

models/upload_test.go

@@ -9,7 +9,7 @@ import (
 
 func TestParseUploads(t *testing.T) {
 	tu := testUtil.TestUtil{T: t}
-	jsonStr := "[{\"url\":\"some_url\",\"shareLink\":\"some_share_link\",\"caption\":\"some_caption\",\"sound\":{\"title\":\"some_title\",\"link\":\"some_link\"}}]"
+	jsonStr := "[{\"url\":\"some_url\",\"shareLink\":\"some_share_link\",\"caption\":\"some_caption\", \"uploader\": \"some.uploader\",\"sound\":{\"title\":\"some_title\",\"link\":\"some_link\"}}]"
 	actual := ParseUploads(jsonStr)
 
 	tu.AssertInt(len(actual), 1, "Array len")
@@ -17,6 +17,7 @@ func TestParseUploads(t *testing.T) {
 	tu.AssertString(actual[0].URL, "some_url", "URL")
 	tu.AssertString(actual[0].Caption, "some_caption", "Caption")
 	tu.AssertString(actual[0].ShareLink, "some_share_link", "ShareLink")
+	tu.AssertString(actual[0].Uploader, "some.uploader", "Uploader")
 
 	tu.AssertString(actual[0].Sound.Link, "some_link", "Sound.Link")
 	tu.AssertString(actual[0].Sound.Title, "some_title", "Sound.Title")
@@ -46,12 +47,13 @@ func TestGetUploadID(t *testing.T) {
 
 func TestWriteToFile(t *testing.T) {
 	tu := testUtil.TestUtil{T: t}
-	expected := "{\"url\":\"some_url\",\"shareLink\":\"some_share_link\",\"caption\":\"some_caption\",\"sound\":{\"title\":\"some_title\",\"link\":\"some_link\"}}"
+	expected := "{\"url\":\"some_url\",\"shareLink\":\"some_share_link\",\"caption\":\"some_caption\",\"uploader\":\"some.uploader\",\"sound\":{\"title\":\"some_title\",\"link\":\"some_link\"}}"
 	filePath := "test_file.txt"
 	upload := Upload{
 		URL:       "some_url",
 		Caption:   "some_caption",
 		ShareLink: "some_share_link",
+		Uploader:  "some.uploader",
 		Sound: Sound{
 			Link:  "some_link",
 			Title: "some_title",

package.json

@@ -3,7 +3,7 @@
     "version": "0.0.1",
     "scripts": {
         "install-dependencies": "go get -v -t -d ./...",
-        "test": "go test -v ./models",
+        "test": "go test -v ./models && go test -v ./utils",
         "clean": "rm -rf out",
         "build:scraper": "node node_modules/terser/bin/terser -c -m -- scraper.js > out/scraper.js",
         "build:app": "go build -o out/ -v .",

resources/strings.go

@@ -0,0 +1,13 @@
+package resources
+
+// ErrorCouldNotSerializeJSON -
+var ErrorCouldNotSerializeJSON = "Could not serialize json for video: %s\n"
+
+// ErrorCouldNotRecogniseURL -
+var ErrorCouldNotRecogniseURL = "Could not recognise URL format of string %s"
+
+// ErrorCouldNotGetUserUploads -
+var ErrorCouldNotGetUserUploads = "Failed to get user uploads: %s\n"
+
+// ErrorPathNotFound -
+var ErrorPathNotFound = "File path %s not found."

scraper.js

@@ -1,20 +1,23 @@
 optStrings = {
     selectors: {
         feedLoading: 'div.tiktok-loading.feed-loading',
-        modalArrowLeft: 'div.video-card-modal > div > img.arrow-right',
+        modalArrowRight: 'div.video-card-modal > div > img.arrow-right',
         modalClose: '.video-card-modal > div > div.close',
         modalPlayer: 'div > div > main > div.video-card-modal > div > div.video-card-big > div.video-card-container > div > div > video',
         modalShareInput: '.copy-link-container > input',
         modalCaption: 'div.video-card-big > div.content-container > div.video-meta-info > h1',
         modalSoundLink: 'div.content-container > div.video-meta-info > h2.music-info > a',
+        modalUploader: '.user-username',
         videoPlayer: 'div.video-card-container > div > div > video',
         videoShareInput: 'div.content-container.border > div.copy-link-container > input',
         videoCaption: 'div.content-container.border > div.video-meta-info > h1',
         videoSoundLink: 'div.content-container.border > div.video-meta-info > h2.music-info > a',
+        videoUploader: '.user-username',
     },
     classes: {
         feedVideoItem: 'video-feed-item-wrapper',
         modalCloseDisabled: 'disabled',
+        titleMessage: 'title',
     },
     tags: {
         resultTag: 'video_urls',
@@ -23,13 +26,38 @@ optStrings = {
     attributes: {
         src: "src",
     },
+    tiktokMessages: [
+        "Couldn't find this account",
+        "No videos yet",
+        "Video currently unavailable",
+    ],
+};
+
+currentState = {
+    preloadCount: 0,
+    finished: false,
+    limit: 0
+};
+
+checkForErrors = function() {
+    var titles = document.getElementsByClassName(optStrings.classes.titleMessage);
+    debugger;
+    if (titles && titles.length) {
+        var error = Array.from(titles).find(x => optStrings.tiktokMessages.includes(x.textContent)).textContent;
+        if (error) {
+            createVidUrlElement("ERR: " + error);
+            return true;
+        }
+    }
+    return false;
 };
 
 createVidUrlElement = function(outputObj) {
     var urlSetElement = document.createElement(optStrings.tags.resultTag);
     urlSetElement.innerText = JSON.stringify(outputObj);
     document.getElementsByTagName(optStrings.tags.resultParentTag)[0].appendChild(urlSetElement);
-}
+    currentState.finished = true;
+};
 
 buldVidUrlArray = function(finishCallback) {
     var feedItem = document.getElementsByClassName(optStrings.classes.feedVideoItem)[0];
@@ -38,8 +66,14 @@ buldVidUrlArray = function(finishCallback) {
     var videoArray = [];
     var intervalID = window.setInterval(x => {
         videoArray.push(getCurrentModalVideo());
-
-        var arrowRight = document.querySelectorAll(optStrings.selectors.modalArrowLeft)[0];
+        if(currentState.limit > 0) {
+            if (videoArray.length >= currentState.limit) {
+                window.clearInterval(intervalID);
+                document.querySelector(optStrings.selectors.modalClose).click();
+                finishCallback(videoArray);
+            }
+        }
+        var arrowRight = document.querySelectorAll(optStrings.selectors.modalArrowRight)[0];
         if (arrowRight.classList.contains(optStrings.classes.modalCloseDisabled)) {
             window.clearInterval(intervalID);
             document.querySelector(optStrings.selectors.modalClose).click();
@@ -56,6 +90,7 @@ getCurrentModalVideo = function() {
     var shareLink = document.querySelector(optStrings.selectors.modalShareInput).value;
     var caption = document.querySelector(optStrings.selectors.modalCaption).textContent;
     var soundLink = document.querySelector(optStrings.selectors.modalSoundLink);
+    var uploader = document.querySelector(optStrings.selectors.modalUploader).textContent;
     var soundHref = soundLink.getAttribute("href");
     var soundText = soundLink.text;
 
@@ -63,19 +98,22 @@ getCurrentModalVideo = function() {
         url: vidUrl,
         shareLink: shareLink,
         caption: caption,
+        uploader: uploader,
         sound: {
             title: soundText,
             link: soundHref,
         },
     };
-}
+};
 
 getCurrentVideo = function() {
+    if(checkForErrors()) return;
     var player = document.querySelector(optStrings.selectors.videoPlayer);
     var vidUrl = player.getAttribute(optStrings.attributes.src);
     var shareLink = document.querySelector(optStrings.selectors.videoShareInput).value;
     var caption = document.querySelector(optStrings.selectors.videoCaption).textContent;
     var soundLink = document.querySelector(optStrings.selectors.videoSoundLink);
+    var uploader = document.querySelector(optStrings.selectors.videoUploader).textContent;
     var soundHref = soundLink.getAttribute("href");
     var soundText = soundLink.text;
 
@@ -83,19 +121,31 @@ getCurrentVideo = function() {
         url: vidUrl,
         shareLink: shareLink,
         caption: caption,
+        uploader: uploader,
         sound: {
             title: soundText,
             link: soundHref,
         },
     };
-}
+};
 
 scrollWhileNew = function(finishCallback) {
     var state = { count: 0 };
     var intervalID = window.setInterval(x => {
         var oldCount = state.count;
         state.count = document.getElementsByClassName(optStrings.classes.feedVideoItem).length;
+        if(currentState.limit > 0) {
+            if (currentState.preloadCount >= currentState.limit || state.count >= currentState.limit) {
+                finishCallback(createVidUrlElement);
+                window.clearInterval(intervalID);
+            }
+        }
+        if(checkForErrors()) {
+            window.clearInterval(intervalID);
+            return;
+        }
         if (oldCount !== state.count) {
+            currentState.preloadCount = state.count;
             window.scrollTo(0, document.body.scrollHeight);
         } else {
             if (document.querySelector(optStrings.selectors.feedLoading)) {
@@ -108,7 +158,8 @@ scrollWhileNew = function(finishCallback) {
     }, 1000);
 };
 
-bootstrapIteratingVideos = function() {
+bootstrapIteratingVideos = function(limit) {
+    currentState.limit = limit;
     scrollWhileNew(buldVidUrlArray);
     return 'bootstrapIteratingVideos';
 };
@@ -117,7 +168,7 @@ bootstrapGetCurrentVideo = function() {
     var video = getCurrentVideo();
     createVidUrlElement(video);
     return 'bootstrapGetCurrentVideo';
-}
+};
 
 init = () => {
     const newProto = navigator.__proto__;

utils/checkErr.go

@@ -0,0 +1,12 @@
+package utils
+
+import (
+	"log"
+)
+
+// CheckErr - Checks if error and log
+func CheckErr(err error) {
+	if err != nil {
+		log.Fatal(err)
+	}
+}

utils/downloadFile.go

@@ -10,22 +10,15 @@ import (
 func DownloadFile(outputPath string, url string) {
 	// Get the data
 	resp, err := http.Get(url)
-	if err != nil {
-		panic(err)
-	}
+	CheckErr(err)
 	defer resp.Body.Close()
 
 	// Create the file
 	out, err := os.Create(outputPath)
-	if err != nil {
-		panic(err)
-	}
+	CheckErr(err)
 	defer out.Close()
 
 	// Write the body to file
 	_, err = io.Copy(out, resp.Body)
-
-	if err != nil {
-		panic(err)
-	}
+	CheckErr(err)
 }

utils/fileio.go

@@ -1,10 +1,13 @@
 package utils
 
 import (
+	"bufio"
 	"io/ioutil"
 	"os"
 )
 
+type delegateString func(string)
+
 // CheckIfExists - Checks if file or directory exists
 func CheckIfExists(path string) bool {
 	if _, err := os.Stat(path); os.IsNotExist(err) {
@@ -30,3 +33,19 @@ func ReadFileToString(path string) string {
 
 	return string(content)
 }
+
+// ReadFileLineByLine - Reads file line by line and calls delegate
+func ReadFileLineByLine(path string, delegate delegateString) {
+	file, err := os.Open(path)
+	CheckErr(err)
+	defer file.Close()
+
+	scanner := bufio.NewScanner(file)
+	for scanner.Scan() {
+		delegate(scanner.Text())
+	}
+
+	if err := scanner.Err(); err != nil {
+		panic(err)
+	}
+}

utils/getHashtag.go

@@ -0,0 +1,16 @@
+package utils
+
+import (
+	res "../resources"
+	"fmt"
+	"strings"
+)
+
+// GetHashtagFromURL - Get's tag name from passed url
+func GetHashtagFromURL(str string) string {
+	if match := strings.Contains(str, "/tag/"); match {
+		return strings.Split(str, "/tag/")[1]
+	}
+
+	panic(fmt.Sprintf(res.ErrorCouldNotRecogniseURL, str))
+}

utils/getUsername.go

@@ -0,0 +1,28 @@
+package utils
+
+import (
+	config "../models/config"
+	res "../resources"
+	"fmt"
+	"regexp"
+	"strings"
+)
+
+// GetUsername - Get's username from passed URL param
+func GetUsername() string {
+	return GetUsernameFromString(config.Config.URL)
+}
+
+// GetUsernameFromString - Get's username from passed param
+func GetUsernameFromString(str string) string {
+	if match := strings.Contains(str, "/"); !match { // Not url
+		return strings.Replace(str, "@", "", -1)
+	}
+
+	if match, _ := regexp.MatchString(".+tiktok\\.com/@.+", str); match { // URL
+		stripedSuffix := strings.Split(str, "@")[1]
+		return strings.Split(stripedSuffix, "/")[0]
+	}
+
+	panic(fmt.Sprintf(res.ErrorCouldNotRecogniseURL, str))
+}

utils/getUsername_test.go

@@ -1,6 +1,7 @@
-package models
+package utils
 
 import (
+	config "../models/config"
 	testUtil "../unitTestUtil"
 	"testing"
 )
@@ -8,7 +9,7 @@ import (
 func TestGetUsername(t *testing.T) {
 	testCaseDelegate := func(t *testing.T, url string, username string) {
 		tu := testUtil.TestUtil{T: t}
-		Config.URL = url
+		config.Config.URL = url
 		actual := GetUsername()
 		tu.AssertString(actual, username, "Username")
 	}

utils/log.go

@@ -0,0 +1,31 @@
+package utils
+
+import (
+	config "../models/config"
+	"fmt"
+	"os"
+)
+
+// Log - Write to std out
+func Log(a ...interface{}) {
+	if !config.Config.Quiet {
+		fmt.Println(a...)
+	}
+}
+
+// Logf - Write formated text
+func Logf(format string, a ...interface{}) {
+	if !config.Config.Quiet {
+		fmt.Printf(format, a...)
+	}
+}
+
+// LogFatal - Write error and panic
+func LogFatal(format string, a ...interface{}) {
+	panic(fmt.Sprintf(format, a...))
+}
+
+// LogErr - Write error
+func LogErr(format string, a ...interface{}) {
+	fmt.Fprintf(os.Stderr, format, a...)
+}

utils/readFileAsString.go

@@ -2,14 +2,11 @@ package utils
 
 import (
 	"io/ioutil"
-	"log"
 )
 
 // ReadFileAsString - Returns contents of given file
 func ReadFileAsString(fileName string) string {
 	content, err := ioutil.ReadFile(fileName)
-	if err != nil {
-		log.Fatal(err)
-	}
+	CheckErr(err)
 	return string(content)
 }

workflows/downloadBatchFile.go

@@ -0,0 +1,28 @@
+package workflows
+
+import (
+	res "../resources"
+	utils "../utils"
+)
+
+// CanUseDownloadBatchFile - Check's if DownloadBatchFile can be used
+func CanUseDownloadBatchFile(batchFilePath string) bool {
+	return batchFilePath != ""
+}
+
+// DownloadBatchFile - Download items from batch file
+func DownloadBatchFile(batchFilePath string) {
+	if !utils.CheckIfExists(batchFilePath) {
+		utils.LogFatal(res.ErrorPathNotFound, batchFilePath)
+	}
+
+	utils.ReadFileLineByLine(batchFilePath, downloadItem)
+}
+
+func downloadItem(batchItem string) {
+	if batchItem[0] == '#' {
+		return
+	}
+
+	StartWorkflowByParameter(batchItem)
+}

workflows/downloadHashtag.go

@@ -0,0 +1,45 @@
+package workflows
+
+import (
+	client "../client"
+	config "../models/config"
+	res "../resources"
+	utils "../utils"
+	"fmt"
+	"strings"
+)
+
+// CanUseDownloadHashtag - Test's if this workflow can be used for parameter
+func CanUseDownloadHashtag(url string) bool {
+	match := strings.Contains(url, "/tag/")
+	return match
+}
+
+// DownloadHashtag - Download videos marked with given hashtag
+func DownloadHashtag(url string) {
+	uploads, err := client.GetHashtagUploads(url)
+	if err != nil {
+		utils.LogErr(res.ErrorCouldNotGetUserUploads, err.Error())
+		return
+	}
+	uploadCount := len(uploads)
+	hashtag := utils.GetHashtagFromURL(url)
+	downloadDir := fmt.Sprintf("%s/%s", config.Config.OutputPath, hashtag)
+
+	utils.InitOutputDirectory(downloadDir)
+
+	for index, upload := range uploads {
+		downloadVideo(upload, downloadDir)
+		utils.Logf("\r[%d/%d] Downloaded", index+1, uploadCount)
+	}
+	utils.Log()
+}
+
+func GetHashtagJson(url string) {
+	uploads, err := client.GetHashtagUploads(url)
+	if err != nil {
+		utils.LogErr(res.ErrorCouldNotGetUserUploads, err.Error())
+		return
+	}
+	fmt.Printf("%s", uploads)
+}

workflows/downloadMusic.go

@@ -0,0 +1,45 @@
+package workflows
+
+import (
+	client "../client"
+	config "../models/config"
+	res "../resources"
+	utils "../utils"
+	"fmt"
+	"regexp"
+)
+
+// CanUseDownloadMusic - Check's if DownloadMusic can be used for parameter
+func CanUseDownloadMusic(url string) bool {
+	match, _ := regexp.MatchString(".com\\/music\\/.+", url)
+	return match
+}
+
+// DownloadMusic - Download all videos by given music
+func DownloadMusic(url string) {
+	uploads, err := client.GetMusicUploads(url)
+	if err != nil {
+		utils.LogErr(res.ErrorCouldNotGetUserUploads, err.Error())
+		return
+	}
+	uploadCount := len(uploads)
+
+	for index, upload := range uploads {
+		username := utils.GetUsernameFromString(upload.Uploader)
+		downloadDir := fmt.Sprintf("%s/%s", config.Config.OutputPath, username)
+
+		utils.InitOutputDirectory(downloadDir)
+		downloadVideo(upload, downloadDir)
+		utils.Logf("\r[%d/%d] Downloaded", index+1, uploadCount)
+	}
+	utils.Log()
+}
+
+func GetMusicJson(url string) {
+	uploads, err := client.GetMusicUploadsJson(url)
+	if err != nil {
+		utils.LogErr(res.ErrorCouldNotGetUserUploads, err.Error())
+		return
+	}
+	fmt.Printf("%s", uploads)
+}

workflows/downloadUser.go

@@ -2,26 +2,45 @@ package workflows
 
 import (
 	client "../client"
-	models "../models"
+	config "../models/config"
+	res "../resources"
 	utils "../utils"
 	"fmt"
+	"regexp"
 	"strings"
 )
 
 // CanUseDownloadUser - Test's if this workflow can be used for parameter
 func CanUseDownloadUser(url string) bool {
-	match := strings.Contains(url, "/")
-	return !match
+	isURL := strings.Contains(url, "/")
+	match, _ := regexp.MatchString(".+com\\/@[^\\/]+", url)
+	return !isURL || match
 }
 
 // DownloadUser - Download all user's videos
 func DownloadUser(username string) {
-	downloadDir := fmt.Sprintf("%s/%s", models.Config.OutputPath, username)
-	uploads := client.GetUserUploads(username)
+	uploads, err := client.GetUserUploads(username)
+	if err != nil {
+		utils.LogErr(res.ErrorCouldNotGetUserUploads, err.Error())
+		return
+	}
+	uploadCount := len(uploads)
+	downloadDir := fmt.Sprintf("%s/%s", config.Config.OutputPath, username)
 
 	utils.InitOutputDirectory(downloadDir)
 
-	for _, upload := range uploads {
+	for index, upload := range uploads {
 		downloadVideo(upload, downloadDir)
+		utils.Logf("\r[%d/%d] Downloaded", index+1, uploadCount)
 	}
+	utils.Log()
+}
+
+func GetUserVideosJson(username string) {
+	uploads, err := client.GetUserUploadsJson(username)
+	if err != nil {
+		utils.LogErr(res.ErrorCouldNotGetUserUploads, err.Error())
+		return
+	}
+	fmt.Printf("%s", uploads)
 }

workflows/downloadVideo.go

@@ -3,6 +3,8 @@ package workflows
 import (
 	client "../client"
 	models "../models"
+	config "../models/config"
+	res "../resources"
 	utils "../utils"
 	"fmt"
 	"regexp"
@@ -16,12 +18,17 @@ func CanUseDownloadSingleVideo(url string) bool {
 
 // DownloadSingleVideo - Downloads single video
 func DownloadSingleVideo(url string) {
-	username := models.GetUsername()
-	upload := client.GetVideoDetails(url)
-	downloadDir := fmt.Sprintf("%s/%s", models.Config.OutputPath, username)
+	username := utils.GetUsernameFromString(url)
+	upload, err := client.GetVideoDetails(url)
+	if err != nil {
+		utils.LogErr(res.ErrorCouldNotGetUserUploads, err.Error())
+		return
+	}
+	downloadDir := fmt.Sprintf("%s/%s", config.Config.OutputPath, username)
 
 	utils.InitOutputDirectory(downloadDir)
 	downloadVideo(upload, downloadDir)
+	utils.Log("[1/1] Downloaded\n")
 }
 
 // DownloadVideo - Downloads one video
@@ -30,14 +37,12 @@ func downloadVideo(upload models.Upload, downloadDir string) {
 	downloadPath := fmt.Sprintf("%s/%s.mp4", downloadDir, uploadID)
 
 	if utils.CheckIfExists(downloadPath) {
-		fmt.Println("Upload '" + uploadID + "' already downloaded, skipping")
 		return
 	}
 
-	fmt.Println("Downloading upload item '" + uploadID + "' to " + downloadPath)
 	utils.DownloadFile(downloadPath, upload.URL)
 
-	if models.Config.MetaData {
+	if config.Config.MetaData {
 		metadataPath := fmt.Sprintf("%s/%s.json", downloadDir, uploadID)
 		upload.WriteToFile(metadataPath)
 	}

workflows/startWorkflowByParameter.go

@@ -0,0 +1,50 @@
+package workflows
+
+import (
+	config "../models/config"
+	res "../resources"
+	utils "../utils"
+)
+
+// StartWorkflowByParameter - Start needed workflow by given parameter
+func StartWorkflowByParameter(url string) {
+
+	// Music
+	if CanUseDownloadMusic(url) {
+		if config.Config.JSONOnly {
+			GetMusicJson(url)
+		} else {
+			DownloadMusic(url)
+		}
+		return
+	}
+
+	// Single video
+	if CanUseDownloadSingleVideo(url) {
+		DownloadSingleVideo(url)
+		return
+	}
+
+	// Tiktok user
+	if CanUseDownloadUser(url) {
+		if config.Config.JSONOnly {
+			GetUserVideosJson(utils.GetUsernameFromString(url))
+		} else {
+			DownloadUser(utils.GetUsernameFromString(url))
+		}
+
+		return
+	}
+
+	// Tiktok hashtag
+	if CanUseDownloadHashtag(url) {
+		if config.Config.JSONOnly {
+			GetHashtagJson(url)
+		} else {
+			DownloadHashtag(url)
+		}
+		return
+	}
+
+	utils.LogFatal(res.ErrorCouldNotRecogniseURL, url)
+}