Version zu Ende April 2023

goDataverse/connect/connect.go

@@ -0,0 +1,157 @@
+/**
+= Creative Commons Lizenzvertrag =
+Diese Software ist von der archium GmbH, Gera ist lizenziert unter einer Creative Commons Namensnennung - Nicht kommerziell - Keine Bearbeitungen 4.0 International Lizenz. (http://creativecommons.org/licenses/by-nc-nd/4.0/deed.de)
+Individuelle über diese Lizenz hinausgehende Berechtigungen können Sie unter https://archium.org erhalten.
+
+= Creative Commons License =
+Software by archium GmbH, Gera is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. (http://creativecommons.org/licenses/by-nc-nd/4.0/)
+Individual permissions beyond the scope of this license may be available at https://archium.org.
+**/
+
+package connect
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"log"
+
+	// "log"
+	"io/ioutil"
+	"net/http"
+	"strings"
+
+	//	"net/url"
+	def "Toolbox/defaults"
+	tol "Toolbox/goDataverse/tools"
+)
+
+func GetRequest(url string, params, header tol.ColMap) ([]byte, error) {
+	client := &http.Client{}
+	req, _ := http.NewRequest("GET", url, nil)
+	for k, v := range header {
+		req.Header.Add(k, v)
+	}
+	query := req.URL.Query()
+	for k, v := range params {
+		query.Add(k, v)
+	}
+
+	req.URL.RawQuery = query.Encode()
+	def.LogMessage("GetRequest(url.encode)", url, def.DEF_logdebg)
+	res, err := client.Do(req)
+	if err != nil {
+		def.LogError("GetRequest(do)", err)
+	} else {
+		defer res.Body.Close()
+		b, err := ioutil.ReadAll(res.Body)
+		if err == nil {
+			return b, err
+		}
+	}
+	return []byte(""), err
+}
+
+func GetRequestMap(_url string, params tol.ColMapInt, header tol.ColMap) ([]byte, error) {
+	client := &http.Client{}
+	// _url = _url + "&fq=(title:1)"
+	// _url = strings.Replace(_url, "*", `((title:2.+OR+title:Ebene))`, -1)
+	def.LogMessage("GetRequestMap(map)", _url, def.DEF_logdebg)
+	req, _ := http.NewRequest("GET", _url, nil)
+	for k, v := range header {
+		req.Header.Add(k, v)
+	}
+	query := req.URL.Query()
+	for _, ival := range params {
+		for k, v := range ival {
+			def.LogMessage("GetRequestMap(values)", fmt.Sprintf("%v: %v (%v)", k, v, ival), def.DEF_logdebg)
+			query.Add(k, v)
+		}
+	}
+	//
+	req.URL.RawQuery = query.Encode()
+	def.LogMessage("GetRequestmap(encode)", req.URL.String(), def.DEF_logdebg)
+	req.URL.RawQuery = strings.Replace(req.URL.RawQuery, "_q_=", "q=", -1)
+	def.LogMessage("GetRequestMap(replac)", req.URL.String(), def.DEF_logdebg)
+	res, err := client.Do(req)
+	if err == nil {
+		defer res.Body.Close()
+		b, err := ioutil.ReadAll(res.Body)
+		if err == nil {
+			return b, err
+		}
+	}
+	return []byte(""), err
+}
+
+func PostRequest(url string, params, header tol.ColMap) ([]byte, error) {
+	client := &http.Client{}
+	postData, err := json.Marshal(params)
+	def.LogMessage("PostRequest(data)", fmt.Sprintf("%v", postData), def.DEF_logdebg)
+	req, _ := http.NewRequest("POST", url, bytes.NewReader(postData))
+	if err == nil {
+		for k, v := range header {
+			req.Header.Add(k, v)
+		}
+		res, err := client.Do(req)
+		if err == nil {
+			defer res.Body.Close()
+			b, err := ioutil.ReadAll(res.Body)
+			if err == nil {
+				return b, err
+			}
+		}
+	}
+	return []byte(""), err
+}
+
+func PostRequestB(url string, postData []byte, header tol.ColMap) ([]byte, error) {
+	client := &http.Client{}
+	req, err := http.NewRequest("POST", url, bytes.NewReader(postData))
+	if err == nil {
+		for k, v := range header {
+			req.Header.Add(k, v)
+		}
+		res, err := client.Do(req)
+		if err == nil {
+			defer res.Body.Close()
+			b, err := ioutil.ReadAll(res.Body)
+			return b, err
+		}
+	}
+	return []byte(""), err
+}
+
+func DeleteRequest(url string, header tol.ColMap) ([]byte, error) {
+	client := &http.Client{}
+	req, _ := http.NewRequest("DELETE", url, nil)
+
+	for k, v := range header {
+		req.Header.Add(k, v)
+	}
+	def.LogMessage("DeleteRequest(url)", req.URL.String(), def.DEF_logdebg)
+	res, _ := client.Do(req)
+	//def.LogMessage("DeleteRequest(do)", res.Request.Header., def.DEF_logdebg)
+	b, err := ioutil.ReadAll(res.Body)
+	res.Body.Close()
+
+	return b, err
+}
+
+func Redirect(_w http.ResponseWriter, _r *http.Request, _url string) {
+	// remove/add not default ports from _r.Host
+	target := _url
+	// if len(_r.URL.RawQuery) > 0 {
+	// 	target += "?" + _r.URL.RawQuery
+	// }
+	log.Printf("redirect to: %s", target)
+	reponse, err := http.Get(_url)
+	body, err := ioutil.ReadAll(reponse.Body)
+	if err != nil {
+		panic(err)
+	}
+	fmt.Println("response body", reponse.Body)
+	_w.Write(body)
+	log.Printf("redirect to: %s, %v, %v", target, string(body), err)
+	//http.Redirect(_w, _r, target, http.StatusSeeOther)
+}