lander/include/lander.h

#ifndef LANDER
#define LANDER

#include "lnm/common.h"
#include "lnm/http/loop.h"
#include "lsm/store.h"

extern const char lander_key_charset[];

typedef struct lander_gctx {
  const char *data_dir;
  lsm_store *store;
} lander_gctx;

typedef struct lander_ctx {
  union {
    lsm_write_handle *write;
    lsm_read_handle *read;
  } entry;
  bool write;
} lander_ctx;

typedef enum lander_attr_type : uint8_t {
  lander_attr_type_entry_type = 0,
  lander_attr_type_content_type = 1,
  lander_attr_type_url = 2,
  lander_attr_type_file_name = 3,
} lander_attr_type;

typedef enum lander_entry_type : uint8_t {
  lander_entry_type_redirect = 0,
  lander_entry_type_paste = 1,
  lander_entry_type_file = 2,
  lander_entry_type_placeholder = 3,
} lander_entry_type;

void *lander_gctx_init();

lnm_err lander_ctx_init(void **c_ctx, void *gctx);

void lander_ctx_reset(lander_ctx *ctx);

void lander_ctx_free(lander_ctx *ctx);

lnm_http_step_err lander_get_index(lnm_http_conn *conn);

lnm_http_step_err lander_get_entry(lnm_http_conn *conn);

lnm_http_step_err lander_post_redirect(lnm_http_conn *conn);

lnm_http_step_err lander_post_redirect_secure(lnm_http_conn *conn);

lnm_http_step_err lander_post_paste(lnm_http_conn *conn);

lnm_http_step_err lander_post_paste_secure(lnm_http_conn *conn);

lnm_http_step_err lander_stream_body_to_entry(lnm_http_conn *conn);

lnm_http_step_err lander_commit_entry(lnm_http_conn *conn);

lnm_http_step_err lander_post_redirect_body_to_attr(lnm_http_conn *conn);

lnm_http_step_err lander_remove_entry(lnm_http_conn *conn);

lnm_http_step_err lander_post_file(lnm_http_conn *conn);

lnm_http_step_err lander_post_file_secure(lnm_http_conn *conn);

lnm_http_step_err lander_post_placeholder(lnm_http_conn *conn);

lnm_http_step_err lander_post_placeholder_secure(lnm_http_conn *conn);

/**
 * Step that authenticates requests. If the key of the request is for a
 * placeholder entry, authentication is granted without an api key.
 */
lnm_http_step_err lander_auth_or_placeholder(lnm_http_conn *conn);

/**
 * Store the requested header as an attribute, if it's present.
 */
void lander_header_to_attr(lnm_http_loop_ctx *ctx, const char *header,
                           lander_attr_type attr_type);

/**
 * Store the attribute's value as the provided header, if present.
 */
void lander_attr_to_header(lnm_http_loop_ctx *ctx, lander_attr_type attr_type,
                           lnm_http_header header_type);

#endif