middleware.h

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#ifndef __CWIST_MIDDLEWARE_H__
#define __CWIST_MIDDLEWARE_H__
 
#include <cwist/sys/app/app.h>
#include <cwist/sys/app/waf.h>
#include <cwist/security/jwt/jwt.h>
#include <cwist/net/redis/cwist_redis.h>
#include <stdbool.h>
 
cwist_middleware_func cwist_mw_request_id(const char *header_name);
 
typedef enum { CWIST_LOG_COMMON, CWIST_LOG_COMBINED, CWIST_LOG_JSON } cwist_log_format_t;
 
cwist_middleware_func cwist_mw_access_log(cwist_log_format_t format);
 
cwist_middleware_func cwist_mw_rate_limit_ip(int requests_per_minute);
 
typedef struct {
    cwist_redis_pool_t *pool; 
    int requests_per_minute; 
    const char *key_prefix;  
    unsigned timeout_ms;    
    bool fail_closed;        
} cwist_rate_limit_redis_cfg_t;
 
cwist_middleware_func cwist_mw_rate_limit_ip_redis(const cwist_rate_limit_redis_cfg_t *cfg);
 
void cwist_mw_rate_limit_reset(void);
 
cwist_middleware_func cwist_mw_metrics(void);
 
cwist_middleware_func cwist_mw_cors(void);
 
cwist_middleware_func cwist_mw_jwt_auth(const char *secret);
 
cwist_middleware_func cwist_mw_compress(size_t min_body_size);
 
const cwist_jwt_claims *cwist_mw_jwt_get_claims(const cwist_http_request *req);
 
/* ---- OpenTelemetry tracing middleware ------------------------------------ */
 
typedef struct {
    const char *endpoint;     
    const char *service_name; 
    size_t queue_cap;         
    size_t batch_size;        
} cwist_otel_cfg_t;
 
cwist_middleware_func cwist_mw_otel_trace(const cwist_otel_cfg_t *cfg);
 
const char *cwist_mw_otel_get_trace_id(const cwist_http_request *req);
 
#endif