Add kyc tool library

Signed-off-by: Asai Neko <sugar@sne.moe>

internal/kyc/passport.go

@@ -0,0 +1,88 @@
+package kyc
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"time"
+
+	"github.com/spf13/viper"
+)
+
+func CreateSession() (*PassportReaderSessionResponse, error) {
+	publicKey := viper.GetString("kyc.passport_reader_public_key")
+	secret := viper.GetString("kyc.passport_reader_secret")
+
+	apiURL := "https://passportreader.app/api/v1/session.create"
+
+	client := &http.Client{
+		Timeout: 10 * time.Second,
+	}
+
+	req, err := http.NewRequest("POST", apiURL, nil)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create request: %w", err)
+	}
+
+	req.SetBasicAuth(publicKey, secret)
+
+	resp, err := client.Do(req)
+	if err != nil {
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		body, _ := io.ReadAll(resp.Body)
+		return nil, fmt.Errorf("api returned error: %d, body: %s", resp.StatusCode, string(body))
+	}
+
+	var sessionResp PassportReaderSessionResponse
+	if err := json.NewDecoder(resp.Body).Decode(&sessionResp); err != nil {
+		return nil, fmt.Errorf("failed to decode response: %w", err)
+	}
+
+	return &sessionResp, nil
+}
+
+func GetSessionDetails(sessionID int) (*PassportReaderSessionDetailResponse, error) {
+	publicKey := viper.GetString("kyc.passport_reader_public_key")
+	secret := viper.GetString("kyc.passport_reader_secret")
+
+	apiURL := "https://passportreader.app/api/v1/session.get"
+
+	reqPayload := PassportReaderGetSessionRequest{ID: sessionID}
+	jsonData, err := json.Marshal(reqPayload)
+	if err != nil {
+		return nil, fmt.Errorf("failed to marshal request: %w", err)
+	}
+
+	req, err := http.NewRequest("POST", apiURL, bytes.NewBuffer(jsonData))
+	if err != nil {
+		return nil, fmt.Errorf("failed to create request: %w", err)
+	}
+
+	req.SetBasicAuth(publicKey, secret)
+	req.Header.Set("Content-Type", "application/json")
+
+	client := &http.Client{Timeout: 15 * time.Second}
+	resp, err := client.Do(req)
+	if err != nil {
+		return nil, fmt.Errorf("request failed: %w", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		body, _ := io.ReadAll(resp.Body)
+		return nil, fmt.Errorf("api error: %d, response: %s", resp.StatusCode, string(body))
+	}
+
+	var detailResp PassportReaderSessionDetailResponse
+	if err := json.NewDecoder(resp.Body).Decode(&detailResp); err != nil {
+		return nil, fmt.Errorf("failed to decode response: %w", err)
+	}
+
+	return &detailResp, nil
+}