Initial commit of Ocean's local development

WebContent/GetContent.go

@@ -0,0 +1,43 @@
+package WebContent
+
+import "errors"
+import "archive/zip"
+import "io/ioutil"
+import "bytes"
+import "github.com/SommerEngineering/Ocean/Log"
+import LM "github.com/SommerEngineering/Ocean/Log/Meta"
+
+func GetContent(path string) (content []byte, err error) {
+
+	reader, readerError := zip.NewReader(bytes.NewReader(zipData), int64(len(zipData)))
+	if readerError != nil {
+		err = errors.New("Was not able to read the ZIP file: " + readerError.Error())
+		Log.LogFull(senderName, LM.CategorySYSTEM, LM.LevelERROR, LM.SeverityCritical, LM.ImpactCritical, LM.MessageNameREAD, `Was not able to read the ZIP file.`, readerError.Error())
+		return
+	}
+
+	for _, file := range reader.File {
+		if file.Name == path {
+
+			fileReader, openError := file.Open()
+			defer fileReader.Close()
+
+			if openError == nil {
+				contentData, readError := ioutil.ReadAll(fileReader)
+
+				if readError != nil {
+					err = errors.New("Was not able to read the content of the desired file: " + readError.Error())
+					Log.LogFull(senderName, LM.CategorySYSTEM, LM.LevelERROR, LM.SeverityCritical, LM.ImpactCritical, LM.MessageNameREAD, `Was not able to read the content of the desired file.`, readError.Error(), path)
+					return
+				}
+
+				content = contentData
+				return
+			}
+		}
+	}
+
+	err = errors.New("File not found!")
+	Log.LogFull(senderName, LM.CategorySYSTEM, LM.LevelERROR, LM.SeverityCritical, LM.ImpactCritical, LM.MessageNameNOTFOUND, `The desired file is not part of the ZIP file.`, `Do you use an old version?`, path)
+	return
+}

WebContent/Handler.go

@@ -0,0 +1,22 @@
+package WebContent
+
+import "net/http"
+import "strings"
+import "github.com/SommerEngineering/Ocean/Shutdown"
+import "github.com/SommerEngineering/Ocean/Log"
+import LM "github.com/SommerEngineering/Ocean/Log/Meta"
+
+func HandlerDeliverFramework(response http.ResponseWriter, request *http.Request) {
+	if Shutdown.IsDown() {
+		http.NotFound(response, request)
+		return
+	}
+
+	path := strings.Replace(request.URL.Path, "/framework/", "", 1)
+	sendError := SendContent(response, path)
+
+	if sendError != nil {
+		Log.LogFull(senderName, LM.CategorySYSTEM, LM.LevelERROR, LM.SeverityCritical, LM.ImpactCritical, LM.MessageNameWRITE, `Was not able to send the desired web content file.`, request.URL.Path, sendError.Error())
+		http.NotFound(response, request)
+	}
+}

WebContent/Init.go

@@ -0,0 +1,36 @@
+package WebContent
+
+import "io/ioutil"
+import "github.com/SommerEngineering/Ocean/CustomerDB"
+import "github.com/SommerEngineering/Ocean/ConfigurationDB"
+import "github.com/SommerEngineering/Ocean/Log"
+import LM "github.com/SommerEngineering/Ocean/Log/Meta"
+
+func init() {
+
+	Log.LogShort(senderName, LM.CategorySYSTEM, LM.LevelINFO, LM.MessageNameINIT, `Run init for the web content.`)
+	defer Log.LogShort(senderName, LM.CategorySYSTEM, LM.LevelINFO, LM.MessageNameINIT, `Init for web content done.`)
+
+	if isInit {
+		Log.LogFull(senderName, LM.CategorySYSTEM, LM.LevelWARN, LM.SeverityHigh, LM.ImpactNone, LM.MessageNameINIT, `The web content is already fine.`)
+		return
+	}
+
+	filename = ConfigurationDB.Read(`FilenameWebResources`)
+	gridFS := CustomerDB.GridFS()
+
+	if gridFile, errGridFile := gridFS.Open(filename); errGridFile != nil {
+		Log.LogFull(senderName, LM.CategorySYSTEM, LM.LevelERROR, LM.SeverityCritical, LM.ImpactCritical, LM.MessageNameDATABASE, `Was not able to open the web content out of the GridFS!`, filename, errGridFile.Error())
+		return
+	} else {
+		defer gridFile.Close()
+		if data, ioError := ioutil.ReadAll(gridFile); ioError != nil {
+			Log.LogFull(senderName, LM.CategorySYSTEM, LM.LevelERROR, LM.SeverityCritical, LM.ImpactCritical, LM.MessageNameDATABASE, `Was not able to read the web content file.`, filename, ioError.Error())
+			return
+		} else {
+			zipData = data
+		}
+	}
+
+	return
+}

WebContent/Send.go

@@ -0,0 +1,43 @@
+package WebContent
+
+import "net/http"
+import "bytes"
+import "errors"
+import "fmt"
+import "github.com/SommerEngineering/Ocean/MimeTypes"
+import "github.com/SommerEngineering/Ocean/Log"
+import LM "github.com/SommerEngineering/Ocean/Log/Meta"
+
+func SendContent(response http.ResponseWriter, path string) (err error) {
+
+	content, contError := GetContent(path)
+	if contError != nil {
+		err = errors.New("Was not able to read the needed content: " + contError.Error())
+		Log.LogFull(senderName, LM.CategorySYSTEM, LM.LevelERROR, LM.SeverityCritical, LM.ImpactCritical, LM.MessageNameREAD, `Was not able to read the needed content.`, contError.Error(), path)
+		return
+	}
+
+	contentLength := len(content)
+	contentType, typeError := MimeTypes.DetectType(path)
+
+	if typeError != nil {
+		err = errors.New("Was not able to detect the MIME type: " + typeError.Error())
+		Log.LogFull(senderName, LM.CategorySYSTEM, LM.LevelERROR, LM.SeverityCritical, LM.ImpactCritical, LM.MessageNameANALYSIS, `Was not able to detect the MIME type for the file.`, path, typeError.Error())
+		return
+	}
+
+	response.Header().Add("Content-Length", fmt.Sprintf("%d", contentLength))
+	response.Header().Add("Content-Type", contentType.MimeType)
+	response.WriteHeader(http.StatusOK)
+
+	buffer := bytes.NewBuffer(content)
+	_, writeError := buffer.WriteTo(response)
+
+	if writeError != nil {
+		err = errors.New("Was not able to write the data to the net: " + writeError.Error())
+		Log.LogFull(senderName, LM.CategorySYSTEM, LM.LevelERROR, LM.SeverityCritical, LM.ImpactCritical, LM.MessageNameWRITE, `Was not able to write the file to the browser.`, path, writeError.Error())
+		return
+	}
+
+	return
+}

WebContent/Variables.go

@@ -0,0 +1,10 @@
+package WebContent
+
+import LM "github.com/SommerEngineering/Ocean/Log/Meta"
+
+var (
+	isInit               = false
+	filename             = ""
+	zipData    []byte    = nil
+	senderName LM.Sender = `System::WebContent`
+)