59 lines
1.2 KiB
Go
59 lines
1.2 KiB
Go
package handlers
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import (
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"io"
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"net/http"
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"solacenet-gateway/config"
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"github.com/gin-gonic/gin"
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)
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// ProxyHandler proxies requests to backend services
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func ProxyHandler(cfg *config.Config) gin.HandlerFunc {
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return func(c *gin.Context) {
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// Build backend URL
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backendURL := cfg.BackendURL + c.Request.URL.Path
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if c.Request.URL.RawQuery != "" {
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backendURL += "?" + c.Request.URL.RawQuery
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}
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// Create request
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req, err := http.NewRequest(c.Request.Method, backendURL, c.Request.Body)
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if err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{
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"error": "Failed to create request",
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})
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return
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}
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// Copy headers
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for key, values := range c.Request.Header {
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for _, value := range values {
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req.Header.Add(key, value)
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}
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}
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// Make request
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client := &http.Client{}
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resp, err := client.Do(req)
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if err != nil {
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c.JSON(http.StatusBadGateway, gin.H{
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"error": "Failed to reach backend",
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})
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return
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}
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defer resp.Body.Close()
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// Copy response headers
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for key, values := range resp.Header {
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for _, value := range values {
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c.Header(key, value)
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}
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}
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// Copy response body
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c.Status(resp.StatusCode)
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io.Copy(c.Writer, resp.Body)
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}
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}
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