79 lines
2.2 KiB
Go
79 lines
2.2 KiB
Go
package akka_apps
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import (
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"bbb-graphql-middleware/config"
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"encoding/json"
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"fmt"
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log "github.com/sirupsen/logrus"
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"io/ioutil"
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"net/http"
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"strings"
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)
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// sessionVarsHookUrl is the authentication hook URL obtained from an environment variable.
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var sessionVarsHookUrl = config.GetConfig().SessionVarsHook.Url
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func AkkaAppsGetSessionVariablesFrom(browserConnectionId string, sessionToken string) (map[string]string, error) {
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logger := log.WithField("_routine", "AkkaAppsClient").
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WithField("browserConnectionId", browserConnectionId).
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WithField("sessionToken", sessionToken)
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logger.Debug("Starting AkkaAppsClient")
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defer logger.Debug("Finished AkkaAppsClient")
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// Create a new HTTP client with a cookie jar.
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client := &http.Client{}
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// Check if the authentication hook URL is set.
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if sessionVarsHookUrl == "" {
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return nil, fmt.Errorf("BBB_GRAPHQL_MIDDLEWARE_SESSION_VARS_HOOK_URL not set")
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}
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log.Trace("Get user session vars from: " + sessionVarsHookUrl + "?sessionToken=" + sessionToken)
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// Create a new HTTP request to the authentication hook URL.
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req, err := http.NewRequest("GET", sessionVarsHookUrl, nil)
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if err != nil {
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return nil, err
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}
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// Execute the HTTP request to obtain user session variables (like X-Hasura-Role)
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req.Header.Set("x-session-token", sessionToken)
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req.Header.Set("User-Agent", "bbb-graphql-middleware")
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resp, err := client.Do(req)
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if err != nil {
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return nil, err
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}
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defer resp.Body.Close()
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respBody, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return nil, err
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}
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var respBodyAsMap map[string]string
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if err := json.Unmarshal(respBody, &respBodyAsMap); err != nil {
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return nil, err
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}
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// Check the response status.
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response, ok := respBodyAsMap["response"]
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if !ok {
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return nil, fmt.Errorf("response key not found in the parsed object")
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}
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if response != "authorized" {
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logger.Error(response)
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return nil, fmt.Errorf("user not authorized")
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}
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// Normalize the response header keys.
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normalizedResponse := make(map[string]string)
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for key, value := range respBodyAsMap {
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if strings.HasPrefix(strings.ToLower(key), "x-hasura") {
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normalizedResponse[strings.ToLower(key)] = value
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}
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}
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return normalizedResponse, nil
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}
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