79 lines
2.6 KiB
Go
79 lines
2.6 KiB
Go
package scans
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import (
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"crypto/sha1"
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"encoding/hex"
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"github.com/s-rah/onionscan/report"
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"github.com/s-rah/onionscan/utils"
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"log"
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"net/url"
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"regexp"
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"strings"
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)
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func StandardPageScan(scan Scanner, page string, status int, contents string, report *report.OnionScanReport) {
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log.Printf("Scanning %s%s\n", report.HiddenService, page)
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if status == 200 {
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log.Printf("\tPage %s%s is Accessible\n", report.HiddenService, page)
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hash := sha1.Sum([]byte(contents))
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report.Hashes = append(report.Hashes, hex.EncodeToString(hash[:]))
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report.Snapshot = contents
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// Try resolve page title if present
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isTitlePresent := strings.Contains(contents, "<title>")
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if isTitlePresent {
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var startIndex = strings.Index(contents, "<title>")
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var endIndex = strings.Index(contents, "</title>")
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var pageTitle = contents[startIndex+len("<title>") : endIndex]
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log.Printf("\tPage Title: %s\n", pageTitle)
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report.PageTitle = pageTitle
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}
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domains := utils.ExtractDomains(contents)
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for _, domain := range domains {
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if !strings.HasPrefix(domain, "http://"+report.HiddenService) {
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log.Printf("Found Related URL %s\n", domain)
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// TODO: Lots of information here which needs to be processed.
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// * Links to standard sites - google / bitpay etc.
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// * Links to other onion sites
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// * Links to obscure clearnet sites.
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baseUrl, _ := url.Parse(domain)
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report.AddLinkedSite(baseUrl.Host)
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} else {
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// * Process FQDN internal links (unlikly)
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log.Printf("Found Internal URL %s\n", domain)
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}
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}
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log.Printf("\tScanning for Images\n")
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r := regexp.MustCompile("src=\"(" + "http://" + report.HiddenService + "/)?((.*?\\.jpg)|(.*?\\.png)|(.*?\\.jpeg)|(.*?\\.gif))\"")
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foundImages := r.FindAllStringSubmatch(string(contents), -1)
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for _, image := range foundImages {
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log.Printf("\t Found image %s\n", image[2])
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scan.ScanPage(report.HiddenService, "/"+image[2], report, CheckExif)
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}
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log.Printf("\tScanning for Referenced Directories\n")
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r = regexp.MustCompile("(src|href)=\"([^\"]*)\"")
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foundPaths := r.FindAllStringSubmatch(string(contents), -1)
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for _, regexpResults := range foundPaths {
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path := regexpResults[2]
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if strings.HasPrefix(path, "http") {
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continue
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}
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term := strings.LastIndex(path, "/")
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if term > 0 {
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log.Printf("\t Found Referenced Directory %s\n", path[:term])
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report.AddPageReferencedDirectory(path[:term])
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}
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}
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} else if status == 403 {
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log.Printf("\tPage %s%s is Forbidden\n", report.HiddenService, page)
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} else if status == 404 {
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log.Printf("\tPage %s%s is Does Not Exist\n", report.HiddenService, page)
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}
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}
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