Initial commit after restructure

profiles/framework.go

@@ -0,0 +1,76 @@
+// Copyright Safing ICS Technologies GmbH. Use of this source code is governed by the AGPL license that can be found in the LICENSE file.
+
+package profiles
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"regexp"
+	"strings"
+
+	"github.com/Safing/safing-core/log"
+)
+
+type Framework struct {
+	// go hirarchy up
+	FindParent uint8 `json:",omitempty bson:",omitempty"`
+	// get path from parent, amount of levels to go up the tree (1 means parent, 2 means parent of parents, and so on)
+	MergeWithParent bool `json:",omitempty bson:",omitempty"`
+	// instead of getting the path of the parent, merge with it by presenting connections as if they were from that parent
+
+	// go hirarchy down
+	Find string `json:",omitempty bson:",omitempty"`
+	// Regular expression for finding path elements
+	Build string `json:",omitempty bson:",omitempty"`
+	// Path definitions for building path
+	Virtual bool `json:",omitempty bson:",omitempty"`
+	// Treat resulting path as virtual, do not check if valid
+}
+
+func (f *Framework) GetNewPath(command string, cwd string) (string, error) {
+	// "/usr/bin/python script"
+	// to
+	// "/path/to/script"
+	regex, err := regexp.Compile(f.Find)
+	if err != nil {
+		return "", fmt.Errorf("profiles(framework): failed to compile framework regex: %s", err)
+	}
+	matched := regex.FindAllStringSubmatch(command, -1)
+	if len(matched) == 0 || len(matched[0]) < 2 {
+		return "", fmt.Errorf("profiles(framework): regex \"%s\" for constructing path did not match command \"%s\"", f.Find, command)
+	}
+
+	var lastError error
+	var buildPath string
+	for _, buildPath = range strings.Split(f.Build, "|") {
+
+		buildPath = strings.Replace(buildPath, "{CWD}", cwd, -1)
+		for i := 1; i < len(matched[0]); i++ {
+			buildPath = strings.Replace(buildPath, fmt.Sprintf("{%d}", i), matched[0][i], -1)
+		}
+
+		buildPath = filepath.Clean(buildPath)
+
+		if !f.Virtual {
+			if !strings.HasPrefix(buildPath, "~/") && !filepath.IsAbs(buildPath) {
+				lastError = fmt.Errorf("constructed path \"%s\" from framework is not absolute", buildPath)
+				continue
+			}
+			if _, err := os.Stat(buildPath); os.IsNotExist(err) {
+				lastError = fmt.Errorf("constructed path \"%s\" does not exist", buildPath)
+				continue
+			}
+		}
+
+		lastError = nil
+		break
+
+	}
+
+	if lastError != nil {
+		return "", fmt.Errorf("profiles(framework): failed to construct valid path, last error: %s", lastError)
+	}
+	log.Tracef("profiles(framework): transformed \"%s\" (%s) to \"%s\"", command, cwd, buildPath)
+	return buildPath, nil
+}