fix: scan public Confluence without credentials (#139)

Close #137

README.md

@@ -58,7 +58,6 @@ docker run -v /home/user/workspace/git-repo:/repo checkmarx/2ms git /repo
 We've built `2ms` command line interface to be as self-descriptive as possible. This is the help message that you will see if you executed `2ms` without args:
 
 <!-- command-line:start -->
-
 ```
 2ms Secrets Detection: A tool to detect secrets in public websites and communication services.
 
@@ -79,19 +78,19 @@ Additional Commands:
   rules       List all rules
 
 Flags:
-      --config string          config file path
-      --exclude-rule strings   exclude rules by name or tag to apply to the scan (removes from list, starts from all)
-  -h, --help                   help for 2ms
-      --include-rule strings   include rules by name or tag to apply to the scan (adds to list, starts from empty)
-      --log-level string       log level (trace, debug, info, warn, error, fatal) (default "info")
-      --regex stringArray      custom regexes to apply to the scan, must be valid Go regex
-      --report-path strings    path to generate report files. The output format will be determined by the file extension (.json, .yaml, .sarif)
-      --stdout-format string   stdout output format, available formats are: json, yaml, sarif (default "yaml")
-  -v, --version                version for 2ms
+      --config string           config file path
+      --exclude-rule strings    exclude rules by name or tag to apply to the scan (removes from list, starts from all)
+  -h, --help                    help for 2ms
+      --ignore-result strings   ignore specific result by id
+      --include-rule strings    include rules by name or tag to apply to the scan (adds to list, starts from empty)
+      --log-level string        log level (trace, debug, info, warn, error, fatal) (default "info")
+      --regex stringArray       custom regexes to apply to the scan, must be valid Go regex
+      --report-path strings     path to generate report files. The output format will be determined by the file extension (.json, .yaml, .sarif)
+      --stdout-format string    stdout output format, available formats are: json, yaml, sarif (default "yaml")
+  -v, --version                 version for 2ms
 
 Use "2ms [command] --help" for more information about a command.
 ```
-
 <!-- command-line:end -->
 
 ## Plugins

plugins/confluence.go

@@ -40,6 +40,9 @@ func (p *ConfluencePlugin) GetCredentials() (string, string) {
 }
 
 func (p *ConfluencePlugin) GetAuthorizationHeader() string {
+	if p.Username == "" || p.Token == "" {
+		return ""
+	}
 	return lib.CreateBasicAuthCredentials(p)
 }