add dynamic resource url patcher as standalone responsemodifier

proxychain/responsemodifers/rewriters/script_injector_rewriter.go

@@ -3,6 +3,7 @@ package rewriters
 import (
 	_ "embed"
 	"fmt"
+	"sort"
 	"strings"
 
 	"golang.org/x/net/html"
@@ -50,6 +51,22 @@ func (r *ScriptInjectorRewriter) ModifyToken(token *html.Token) (string, string)
 	}
 }
 
+// applies parameters by string replacement of the template script
+func (r *ScriptInjectorRewriter) applyParams(params map[string]string) {
+	// Sort the keys by length in descending order
+	keys := make([]string, 0, len(params))
+	for key := range params {
+		keys = append(keys, key)
+	}
+	sort.Slice(keys, func(i, j int) bool {
+		return len(keys[i]) > len(keys[j])
+	})
+
+	for _, key := range keys {
+		r.script = strings.ReplaceAll(r.script, key, params[key])
+	}
+}
+
 // NewScriptInjectorRewriter implements a HtmlTokenRewriter
 // and injects JS into the page for execution at a particular time
 func NewScriptInjectorRewriter(script string, execTime ScriptExecTime) *ScriptInjectorRewriter {
@@ -58,3 +75,17 @@ func NewScriptInjectorRewriter(script string, execTime ScriptExecTime) *ScriptIn
 		script:   script,
 	}
 }
+
+// NewScriptInjectorRewriterWith implements a HtmlTokenRewriter
+// and injects JS into the page for execution at a particular time
+// accepting arguments into the script, which will be added via a string replace
+// the params map represents the key-value pair of the params.
+// the key will be string replaced with the value
+func NewScriptInjectorRewriterWithParams(script string, execTime ScriptExecTime, params map[string]string) *ScriptInjectorRewriter {
+	rr := &ScriptInjectorRewriter{
+		execTime: execTime,
+		script:   script,
+	}
+	rr.applyParams(params)
+	return rr
+}