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command.go
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command.go
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package main
import (
"github.com/spf13/cobra"
"github.com/spf13/viper"
"github.com/teamnsrg/mida/amqp"
b "github.com/teamnsrg/mida/base"
"github.com/teamnsrg/mida/log"
)
// getRootCommand returns the root cobra command which will be executed based on arguments passed to the program
func getRootCommand() *cobra.Command {
var err error
var cmdRoot = &cobra.Command{Use: "mida"}
var (
numCrawlers int
numPostprocessers int
numStorers int
monitor bool
promPort int
logLevel int
tmpDir string
virtualDisplay bool
rateLimit int
)
cmdRoot.PersistentFlags().IntVarP(&numCrawlers, "crawlers", "c", viper.GetInt("crawlers"),
"Number of parallel browser instances to use for crawling")
cmdRoot.PersistentFlags().IntVarP(&numPostprocessers, "postprocessers", "p", viper.GetInt("postprocessers"),
"Number of parallel goroutines working to postprocess results")
cmdRoot.PersistentFlags().IntVarP(&numStorers, "storers", "s", viper.GetInt("storers"),
"Number of parallel goroutines working to store task results")
cmdRoot.PersistentFlags().BoolVarP(&monitor, "monitor", "m", false,
"Enable monitoring via Prometheus by hosting a HTTP server")
cmdRoot.PersistentFlags().IntVarP(&promPort, "prom-port", "z", viper.GetInt("prom_port"),
"Port used for hosting metrics for a Prometheus server")
cmdRoot.PersistentFlags().IntVarP(&logLevel, "log-level", "l", viper.GetInt("log_level"),
"Log Level for MIDA (0=Error, 1=Warn, 2=Info, 3=Debug)")
cmdRoot.PersistentFlags().StringVarP(&tmpDir, "tempdir", "", viper.GetString("tempdir"),
"Temporary directory for MIDA to use")
cmdRoot.PersistentFlags().BoolVarP(&virtualDisplay, "xvfb", "", false,
"Use Xvfb virtual display (for non-headless, monitor-less crawls on Linux)")
cmdRoot.PersistentFlags().IntVarP(&rateLimit, "rate-limit", "r", viper.GetInt("rate_limit"),
"Rate limit for tasks (in milliseconds). Helpful for controlling initial busts of CPU/Memory usage")
err = viper.BindPFlags(cmdRoot.PersistentFlags())
if err != nil {
log.Log.Fatal("viper failed to bind pflags")
}
err = viper.BindPFlag("rate_limit", cmdRoot.Flag("rate-limit"))
if err != nil {
log.Log.Fatal(err)
}
cmdRoot.AddCommand(getBuildCommand())
cmdRoot.AddCommand(getClientCommand())
cmdRoot.AddCommand(getFileCommand())
cmdRoot.AddCommand(getLoadCommand())
cmdRoot.AddCommand(getGoCommand())
return cmdRoot
}
// getFileCommand returns the command for the "mida file" version of the program
func getFileCommand() *cobra.Command {
var cmdFile = &cobra.Command{
Use: "file",
Short: "Read and execute tasks from file",
Long: `MIDA reads and executes tasks from a pre-created task
file, exiting when all tasks in the file are completed.`,
Args: cobra.ExactArgs(1),
Run: func(cmd *cobra.Command, args []string) {
ll, err := cmd.Flags().GetInt("log-level")
if err != nil {
log.Log.Fatal(err)
}
err = log.ConfigureLogging(ll)
if err != nil {
log.Log.Fatal(err)
}
log.Log.Debug("MIDA Starts (Mode: file)")
InitPipeline(cmd, args)
},
}
var (
shuffle bool
)
cmdFile.Flags().BoolVarP(&shuffle, "shuffle", "", b.DefaultShuffle,
"Randomize processing order for tasks")
return cmdFile
}
func getLoadCommand() *cobra.Command {
var cmdLoad = &cobra.Command{
Use: "load",
Short: "Load tasks from file into queue",
Long: `Read tasks from a JSON-formatted file, parse them, and load them into the specified queue instance`,
Args: cobra.MinimumNArgs(1), // the filename(s) containing tasks to read
Run: func(cmd *cobra.Command, args []string) {
ll, err := cmd.Flags().GetInt("log-level")
if err != nil {
log.Log.Fatal(err)
}
err = log.ConfigureLogging(ll)
if err != nil {
log.Log.Fatal(err)
}
log.Log.Debug("MIDA Starts (Mode: load)")
var tasks []b.RawTask
for _, arg := range args {
oneFileTasks, err := b.ReadTasksFromFile(arg)
if err != nil {
log.Log.Fatal(err)
}
tasks = append(tasks, oneFileTasks...)
}
var params = amqp.ConnParams{
User: viper.GetString("amqp_user"),
Pass: viper.GetString("amqp_pass"),
Uri: viper.GetString("amqp_uri"),
}
queue, err := cmd.Flags().GetString("queue")
if err != nil {
log.Log.Fatal(err)
}
priority, err := cmd.Flags().GetUint8("priority")
if err != nil {
log.Log.Fatal(err)
}
shuffle, err := cmd.Flags().GetBool("shuffle")
if err != nil {
log.Log.Fatal(err)
}
numTasksLoaded, err := amqp.LoadTasks(tasks, params, queue,
priority, shuffle)
if err != nil {
log.Log.Fatal(err)
}
log.Log.Infof("Loaded %d tasks from %d files into queue \"%s\" with priority %d",
numTasksLoaded, len(args), queue, priority)
},
}
var (
shuffle bool
queue string
priority uint8
)
cmdLoad.Flags().StringVarP(&queue, "queue", "", amqp.DefaultTaskQueue,
"AMQP queue into which we will load tasks")
cmdLoad.Flags().BoolVarP(&shuffle, "shuffle", "", b.DefaultShuffle,
"Randomize loading order for tasks")
cmdLoad.Flags().Uint8VarP(&priority, "priority", "", amqp.DefaultPriority,
"Priority of tasks we are loaded (AMQP: x-max-priority setting)")
return cmdLoad
}
func getBuildCommand() *cobra.Command {
// Variables storing options for the build command
var (
urlFile string
priority int
maxUrls int
// Browser settings
browser string
userDataDir string
addBrowserFlags []string
removeBrowserFlags []string
setBrowserFlags []string
extensions []string
headless bool
// Interaction settings
lockNavAfterLoad bool
basicInteraction bool
gremlins bool
triggerEventListeners bool
// Completion settings
completionCondition string
timeout int
timeAfterLoad int
// Data Gathering settings
allResources bool
allScripts bool
cookies bool
dom bool
resourceMetadata bool
screenshot bool
scriptMetadata bool
browserCoverage bool
rawCovFiles bool
covTxtFile bool
covTreeSummary bool
// Output settings
resultsOutputPath string // Results from task path
postQueue string
outputPath string // Task file path
overwrite bool
// How many times a task should be repeated
repeat int
)
var cmdBuild = &cobra.Command{
Use: "build",
Short: "Build a MIDA Task File",
Long: `Create and save a task file using flags or CLI`,
Args: cobra.OnlyValidArgs,
Run: func(cmd *cobra.Command, args []string) {
ll, err := cmd.Flags().GetInt("log-level")
if err != nil {
log.Log.Fatal(err)
}
err = log.ConfigureLogging(ll)
if err != nil {
log.Log.Fatal(err)
}
log.Log.Debug("MIDA Starts (Mode: build)")
cts, err := BuildCompressedTaskSet(cmd, args)
if err != nil {
log.Log.Error(err)
return
}
outfile, err := cmd.Flags().GetString("outfile")
if err != nil {
log.Log.Error(err)
return
}
overwrite, err := cmd.Flags().GetBool("overwrite")
if err != nil {
log.Log.Error(err)
return
}
err = b.WriteCompressedTaskSetToFile(cts, outfile, overwrite)
if err != nil {
log.Log.Error(err)
} else {
log.Log.Infof("Wrote %d tasks to %s", len(*cts.URL), outfile)
}
},
}
cmdBuild.Flags().StringVarP(&urlFile, "url-file", "f",
"", "File containing URL to visit (1 per line)")
cmdBuild.Flags().IntVarP(&maxUrls, "max-urls", "n",
-1, "Maximum URLs to use (top n from file, defaults to unlimited)")
cmdBuild.Flags().IntVarP(&priority, "priority", "", b.DefaultTaskPriority,
"Task priority (when loaded into RabbitMQ")
cmdBuild.Flags().StringVarP(&browser, "browser", "b",
"", "Path to browser binary to use for this task")
cmdBuild.Flags().StringVarP(&userDataDir, "user-data-dir", "d",
"", "User Data Directory used for this task.")
cmdBuild.Flags().StringSliceP("add-browser-flags", "", addBrowserFlags,
"Flags to add to browser launch (comma-separated, no '--')")
cmdBuild.Flags().StringSliceP("remove-browser-flags", "", removeBrowserFlags,
"Flags to remove from browser launch (comma-separated, no '--')")
cmdBuild.Flags().StringSliceP("set-browser-flags", "", setBrowserFlags,
"Overrides default browser flags (comma-separated, no '--')")
cmdBuild.Flags().StringSliceP("extensions", "e", extensions,
"Full paths to browser extensions to use (comma-separated, no'--')")
cmdBuild.Flags().BoolVarP(&headless, "headless", "", b.DefaultHeadless,
"Shortcut for \"--add-browser-flags=headless\"")
cmdBuild.Flags().BoolVarP(&lockNavAfterLoad, "nav-lock", "", b.DefaultNavLockAfterLoad,
"Whether to lock (prevent) navigation after load event fires")
cmdBuild.Flags().BoolVarP(&basicInteraction, "basic-interaction", "", b.DefaultBasicInteraction,
"Do some basic scrolling and mouse movement after load event fires (no clicks)")
cmdBuild.Flags().BoolVarP(&gremlins, "gremlins", "", b.DefaultGremlins,
"Use GremlinsJS to do LOTS of random page interactions")
cmdBuild.Flags().BoolVarP(&triggerEventListeners, "trigger-event-listeners", "", b.DefaultTriggerEventListeners,
"Enumerate and trigger as many event listeners on the page as possible")
cmdBuild.Flags().StringVarP(&completionCondition, "completion", "y", string(b.DefaultCompletionCondition),
"Completion condition for tasks (CompleteOnTimeoutOnly, CompleteOnLoadEvent, CompleteOnTimeoutAfterLoad")
cmdBuild.Flags().IntVarP(&timeout, "timeout", "t", b.DefaultTimeout,
"Timeout (in seconds) after which the browser will close and the task will complete")
cmdBuild.Flags().IntVarP(&timeAfterLoad, "time-after-load", "", b.DefaultTimeAfterLoad,
"Time after load event to remain on page (overridden by timeout if reached first)")
cmdBuild.Flags().BoolVarP(&allResources, "all-resources", "", b.DefaultAllResources,
"Gather and store all resources downloaded by browser")
cmdBuild.Flags().BoolVarP(&allScripts, "all-scripts", "", b.DefaultAllScripts,
"Gather and store all scripts parsed by the browser")
cmdBuild.Flags().BoolVarP(&cookies, "cookies", "", b.DefaultCookies,
"Gather cookies set by page (after load event)")
cmdBuild.Flags().BoolVarP(&dom, "dom", "", b.DefaultDOM,
"Gather a JSON representation of the DOM (after load event)")
cmdBuild.Flags().BoolVarP(&resourceMetadata, "resource-metadata", "", b.DefaultResourceMetadata,
"Gather and store metadata about all resources downloaded by browser")
cmdBuild.Flags().BoolVarP(&screenshot, "screenshot", "", b.DefaultScreenshot,
"Collect a screenshot after (if) the load event fires for the page")
cmdBuild.Flags().BoolVarP(&scriptMetadata, "script-metadata", "", b.DefaultScriptMetadata,
"Gather and store metadata about the scripts parsed by the browser")
cmdBuild.Flags().BoolVarP(&browserCoverage, "browser-coverage", "", b.DefaultBrowserCoverage,
"Gather and store code coverage data from the browser")
cmdBuild.Flags().BoolVarP(&rawCovFiles, "raw-cov-files", "", b.DefaultRawCovFiles,
"Gather and store raw browser coverage llvm profraw files")
cmdBuild.Flags().BoolVarP(&covTxtFile, "cov-txt-file", "", b.DefaultCovTxtFile,
"Gather and store metadata code coverage data from the browser")
cmdBuild.Flags().BoolVarP(&covTreeSummary, "cov-tree-summary", "", b.DefaultCovTreeSummary,
"Gather and store a csv summary of code coverage in tree format")
cmdBuild.Flags().StringVarP(&resultsOutputPath, "results-output-path", "o", b.DefaultLocalOutputPath,
"Path (local or remote) to store results in. A new directory will be created inside this one for each task.")
cmdBuild.Flags().StringVarP(&postQueue, "post-queue", "q", b.DefaultPostQueue,
"AMQP queue where crawl metadata will be enqueued after storage has completed")
cmdBuild.Flags().StringVarP(&outputPath, "outfile", "w", viper.GetString("task_file"),
"Path to write the newly-created JSON task file")
cmdBuild.Flags().BoolVarP(&overwrite, "overwrite", "x", false,
"Allow overwriting of an existing task file")
cmdBuild.Flags().IntVarP(&repeat, "repeat", "", 1,
"How many times to repeat a given task")
_ = cmdBuild.MarkFlagRequired("url-file")
_ = cmdBuild.MarkFlagFilename("url-file")
return cmdBuild
}
func getGoCommand() *cobra.Command {
var (
urlFile string
maxUrls int
// Browser settings
browser string
userDataDir string
addBrowserFlags []string
removeBrowserFlags []string
setBrowserFlags []string
extensions []string
headless bool
// Interaction Settings
lockNavAfterLoad bool
basicInteraction bool
gremlins bool
triggerEventListeners bool
// Completion settings
completionCondition string
timeout int
timeAfterLoad int
// Data Gathering settings
allResources bool
allScripts bool
cookies bool
dom bool
resourceMetadata bool
screenshot bool
scriptMetadata bool
browserCoverage bool
rawCovFiles bool
covTxtFile bool
covTreeSummary bool
// Output settings
resultsOutputPath string // Results from task path
postQueue string
outputPath string // Task file path
overwrite bool
// How many times a task should be repeated
repeat int
)
var cmdGo = &cobra.Command{
Use: "go",
Short: "Crawl from the command line",
Long: `Start a crawl right here and now, normally specifying urls on the command line`,
Run: func(cmd *cobra.Command, args []string) {
ll, err := cmd.Flags().GetInt("log-level")
if err != nil {
log.Log.Fatal(err)
}
err = log.ConfigureLogging(ll)
if err != nil {
log.Log.Fatal(err)
}
log.Log.Debug("MIDA Starts (Mode: go)")
InitPipeline(cmd, args)
},
}
cmdGo.Flags().StringVarP(&urlFile, "url-file", "f",
"", "File containing URL to visit (1 per line)")
cmdGo.Flags().IntVarP(&maxUrls, "max-urls", "n",
-1, "Maximum URLs to use (top n from file, defaults to unlimited)")
cmdGo.Flags().StringVarP(&browser, "browser", "b",
"", "Path to browser binary to use for this task")
cmdGo.Flags().StringVarP(&userDataDir, "user-data-dir", "d",
"", "User Data Directory used for this task.")
cmdGo.Flags().StringSliceP("add-browser-flags", "", addBrowserFlags,
"Flags to add to browser launch (comma-separated, no '--')")
cmdGo.Flags().StringSliceP("remove-browser-flags", "", removeBrowserFlags,
"Flags to remove from browser launch (comma-separated, no '--')")
cmdGo.Flags().StringSliceP("set-browser-flags", "", setBrowserFlags,
"Overrides default browser flags (comma-separated, no '--')")
cmdGo.Flags().StringSliceP("extensions", "e", extensions,
"Full paths to browser extensions to use (comma-separated, no '--')")
cmdGo.Flags().BoolVarP(&headless, "headless", "", b.DefaultHeadless,
"Shortcut for \"--add-browser-flags=headless\"")
cmdGo.Flags().BoolVarP(&lockNavAfterLoad, "nav-lock", "", b.DefaultNavLockAfterLoad,
"Whether to lock (prevent) navigation after load event fires")
cmdGo.Flags().BoolVarP(&basicInteraction, "basic-interaction", "", b.DefaultBasicInteraction,
"Do some basic scrolling and mouse movement after load event fires (no clicks)")
cmdGo.Flags().BoolVarP(&gremlins, "gremlins", "", b.DefaultGremlins,
"Use GremlinsJS to do LOTS of random page interactions")
cmdGo.Flags().BoolVarP(&triggerEventListeners, "trigger-event-listeners", "", b.DefaultTriggerEventListeners,
"Enumerate and trigger as many event listeners on the page as possible")
cmdGo.Flags().StringVarP(&completionCondition, "completion", "y", string(b.DefaultCompletionCondition),
"Completion condition for tasks (CompleteOnTimeoutOnly, CompleteOnLoadEvent, CompleteOnTimeoutAfterLoad")
cmdGo.Flags().IntVarP(&timeout, "timeout", "t", b.DefaultTimeout,
"Timeout (in seconds) after which the browser will close and the task will complete")
cmdGo.Flags().IntVarP(&timeAfterLoad, "time-after-load", "", b.DefaultTimeAfterLoad,
"Time after load event to remain on page (overridden by timeout if reached first)")
cmdGo.Flags().BoolVarP(&allResources, "all-resources", "", b.DefaultAllResources,
"Gather and store all resources downloaded by browser")
cmdGo.Flags().BoolVarP(&allScripts, "all-scripts", "", b.DefaultAllScripts,
"Gather and store all scripts parsed by the browser's JavaScript engine")
cmdGo.Flags().BoolVarP(&cookies, "cookies", "", b.DefaultCookies,
"Gather and store cookies set by page (after load event fires)")
cmdGo.Flags().BoolVarP(&dom, "dom", "", b.DefaultDOM,
"Gather and store a JSON representation of the DOM (after load event fires)")
cmdGo.Flags().BoolVarP(&resourceMetadata, "resource-metadata", "", b.DefaultResourceMetadata,
"Gather and store metadata about all resources downloaded by browser")
cmdGo.Flags().BoolVarP(&screenshot, "screenshot", "", b.DefaultScreenshot,
"Collect a screenshot after (if) the load event fires for the page")
cmdGo.Flags().BoolVarP(&scriptMetadata, "script-metadata", "", b.DefaultScriptMetadata,
"Gather and store metadata about the scripts parsed by the browser")
cmdGo.Flags().BoolVarP(&browserCoverage, "browser-coverage", "", b.DefaultBrowserCoverage,
"Gather and store code coverage data from the browser")
cmdGo.Flags().BoolVarP(&rawCovFiles, "raw-cov-files", "", b.DefaultRawCovFiles,
"Gather and store raw browser coverage llvm profraw files")
cmdGo.Flags().BoolVarP(&covTxtFile, "cov-txt-file", "", b.DefaultCovTxtFile,
"Gather and store metadata code coverage data from the browser")
cmdGo.Flags().BoolVarP(&covTreeSummary, "cov-tree-summary", "", b.DefaultCovTreeSummary,
"Gather and store a csv summary of code coverage in tree format")
cmdGo.Flags().StringVarP(&resultsOutputPath, "results-output-path", "o", b.DefaultLocalOutputPath,
"Path (local or remote) to store results in. A new directory will be created inside this one for each task.")
cmdGo.Flags().StringVarP(&postQueue, "post-queue", "q", b.DefaultPostQueue,
"AMQP queue where crawl metadata will be enqueued after storage has completed")
cmdGo.Flags().StringVarP(&outputPath, "outfile", "w", viper.GetString("task_file"),
"Path to write the newly-created JSON task file")
cmdGo.Flags().BoolVarP(&overwrite, "overwrite", "x", false,
"Allow overwriting of an existing task file")
cmdGo.Flags().IntVarP(&repeat, "repeat", "", 1,
"How many times to repeat a given task")
return cmdGo
}
func getClientCommand() *cobra.Command {
var cmdClient = &cobra.Command{
Use: "client",
Short: "Act as AMQP Client for tasks",
Long: `MIDA acts as a client to a AMQP server.
An address and credentials must be provided. MIDA will remain running until
it receives explicit instructions to close, or the connection to AMQP server is lost.`,
Run: func(cmd *cobra.Command, args []string) {
ll, err := cmd.Flags().GetInt("log-level")
if err != nil {
log.Log.Fatal(err)
}
err = log.ConfigureLogging(ll)
if err != nil {
log.Log.Fatal(err)
}
log.Log.Debug("MIDA Starts (Mode: client)")
user, err := cmd.Flags().GetString("user")
if err != nil {
log.Log.Fatal(err)
}
if user != "" {
viper.Set("amqp_user", user)
}
pass, err := cmd.Flags().GetString("pass")
if err != nil {
log.Log.Fatal(err)
}
if pass != "" {
viper.Set("amqp_pass", pass)
}
uri, err := cmd.Flags().GetString("uri")
if err != nil {
log.Log.Fatal(err)
}
if uri != "" {
viper.Set("amqp_uri", uri)
}
InitPipeline(cmd, args)
},
}
var (
queue string
user string
pass string
uri string
)
cmdClient.Flags().StringVarP(&queue, "queue", "", "",
"AMQP queue into which we will load tasks")
cmdClient.Flags().StringVarP(&user, "user", "", "",
"AMQP User")
cmdClient.Flags().StringVarP(&pass, "pass", "", "",
"AMQP Password")
cmdClient.Flags().StringVarP(&uri, "uri", "", "",
"AMQP URI")
return cmdClient
}