forked from kolo/xmlrpc
/
request.go
138 lines (110 loc) · 2.86 KB
/
request.go
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package xmlrpc
import (
"bytes"
"encoding/xml"
"fmt"
"net/http"
"reflect"
"strings"
"time"
)
func newRequest(url string, method string, params ...interface{}) (*http.Request, error) {
body := buildRequestBody(method, params)
request, err := http.NewRequest("POST", url, strings.NewReader(body))
if err != nil {
return nil, err
}
request.Header.Set("Content-Type", "text/xml")
request.Header.Set("Content-Length", fmt.Sprintf("%d", len(body)))
return request, nil
}
func buildRequestBody(method string, params []interface{}) (buffer string) {
buffer += `<?xml version="1.0" encoding="UTF-8"?><methodCall>`
buffer += fmt.Sprintf("<methodName>%s</methodName><params>", method)
if params != nil && len(params) > 0 {
for _, value := range params {
if value != nil {
switch ps := value.(type) {
case Params:
for _, p := range ps.Params {
if p != nil {
buffer += buildParamElement(p)
}
}
default:
buffer += buildParamElement(ps)
}
}
}
}
buffer += "</params></methodCall>"
return
}
func buildParamElement(value interface{}) string {
return fmt.Sprintf("<param>%s</param>", buildValueElement(value))
}
func buildValueElement(value interface{}) (buffer string) {
buffer = `<value>`
switch v := value.(type) {
case Struct:
buffer += buildStructElement(v)
case string:
escaped := escapeString(value.(string))
buffer += fmt.Sprintf("<string>%s</string>", escaped)
case int, int8, int16, int32, int64:
buffer += fmt.Sprintf("<int>%d</int>", v)
case float32, float64:
buffer += fmt.Sprintf("<double>%f</double>", v)
case bool:
buffer += buildBooleanElement(v)
case time.Time:
buffer += buildTimeElement(v)
default:
rv := reflect.ValueOf(value)
if rv.Kind() == reflect.Slice || rv.Kind() == reflect.Array {
buffer += buildArrayElement(v)
} else {
fmt.Errorf("Unsupported value type")
}
}
buffer += `</value>`
return
}
func buildStructElement(param Struct) (buffer string) {
buffer = `<struct>`
for name, value := range param {
buffer += fmt.Sprintf("<member><name>%s</name>", name)
buffer += buildValueElement(value)
buffer += `</member>`
}
buffer += `</struct>`
return
}
func buildBooleanElement(value bool) (buffer string) {
if value {
buffer = `<boolean>1</boolean>`
} else {
buffer = `<boolean>0</boolean>`
}
return
}
func buildTimeElement(t time.Time) string {
return fmt.Sprintf(
"<dateTime.iso8601>%d%d%dT%d:%d:%d</dateTime.iso8601>",
t.Year(), t.Month(), t.Day(),
t.Hour(), t.Minute(), t.Second(),
)
}
func buildArrayElement(array interface{}) string {
buffer := `<array><data>`
for _, value := range array.([]interface{}) {
buffer += buildValueElement(value)
}
buffer += `</data></array>`
return buffer
}
func escapeString(s string) string {
buffer := bytes.NewBuffer([]byte{})
xml.Escape(buffer, []byte(s))
return fmt.Sprintf("%v", buffer)
}