feat(lander): PoC index pages
parent
222b277eef
commit
e91631dd42
2
Makefile
2
Makefile
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@ -71,7 +71,7 @@ run: $(BIN)
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valgrind: $(BIN)
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LANDER_API_KEY=test \
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LANDER_DATA_DIR=data \
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valgrind --track-origins=yes '$(BUILD_DIR)/$(BIN_FILENAME)'
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valgrind --track-origins=yes --leak-check=full '$(BUILD_DIR)/$(BIN_FILENAME)'
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.PHONY: test
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test: $(TARGETS_TEST)
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@ -13,6 +13,7 @@ typedef struct lander_gctx {
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lsm_store *store;
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struct {
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ltm_template *paste;
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ltm_template *index;
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} templates;
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} lander_gctx;
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@ -32,6 +33,7 @@ typedef enum lander_entry_type : uint8_t {
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lander_entry_type_redirect = 0,
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lander_entry_type_paste = 1,
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lander_entry_type_file = 2,
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lander_entry_type_index = 3,
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} lander_entry_type;
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void *lander_gctx_init();
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@ -42,7 +44,7 @@ void lander_ctx_reset(lander_ctx *ctx);
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void lander_ctx_free(lander_ctx *ctx);
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lnm_http_step_err lander_get_index(lnm_http_conn *conn);
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lnm_http_step_err lander_get_root(lnm_http_conn *conn);
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lnm_http_step_err lander_get_entry(lnm_http_conn *conn);
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@ -64,6 +66,8 @@ lnm_http_step_err lander_post_file(lnm_http_conn *conn);
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lnm_http_step_err lander_post_file_secure(lnm_http_conn *conn);
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lnm_http_step_err lander_post_index(lnm_http_conn *conn);
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/**
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* Store the requested header as an attribute, if it's present.
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*/
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@ -98,6 +98,11 @@ lsm_error lsm_entry_attr_insert_uint8_t(lsm_entry_handle *handle, uint8_t type,
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lsm_error lsm_entry_attr_remove(lsm_str **out, lsm_entry_handle *handle,
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uint8_t type);
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/**
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* Retrieve a pointer to the entry's key.
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*/
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void lsm_entry_key(const lsm_str **out, lsm_entry_handle *handle);
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/**
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* A store consisting of LSM entries.
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*
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@ -178,6 +178,15 @@ lsm_error lsm_str_split(lsm_str *s, lsm_str *s2, uint64_t index);
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* @param s string to append s2 to
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* @param s2 string to append to s
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*/
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lsm_error lsm_str_append(lsm_str *s, lsm_str *s2);
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lsm_error lsm_str_append(lsm_str *s, const lsm_str *s2);
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/**
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* Same as `lsm_str_append`, but it takes a C-style string instead.
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*
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* @param s string to append c_str to
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* @param c_str char buffer to append
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* @param len length of c_str
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*/
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lsm_error lsm_str_append_c(lsm_str *s, const char *c_str, uint64_t len);
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#endif
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@ -316,3 +316,7 @@ lsm_error lsm_entry_data_open_read(lsm_entry_handle *handle) {
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return lsm_error_ok;
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}
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void lsm_entry_key(const lsm_str **out, lsm_entry_handle *handle) {
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*out = handle->wrapper->entry->key;
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}
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@ -215,15 +215,15 @@ bool lsm_str_eq(const lsm_str *s1, const lsm_str *s2) {
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return memcmp(lsm_str_ptr(s1), lsm_str_ptr(s2), s1->len) == 0;
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}
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lsm_error lsm_str_append(lsm_str *s, lsm_str *s2) {
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if (s2->len == 0) {
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lsm_error lsm_str_append_c(lsm_str *s, const char *c_str, uint64_t len) {
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if (len == 0) {
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return lsm_error_ok;
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}
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uint64_t new_len = s->len + s2->len;
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uint64_t new_len = s->len + len;
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if (new_len <= 8) {
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memcpy(&s->data.val[s->len], s2->data.val, s2->len);
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memcpy(&s->data.val[s->len], c_str, len);
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} else {
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char *buf;
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@ -243,11 +243,15 @@ lsm_error lsm_str_append(lsm_str *s, lsm_str *s2) {
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}
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}
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memcpy(&buf[s->len], lsm_str_ptr(s2), s2->len);
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memcpy(&buf[s->len], c_str, len);
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s->data.ptr = buf;
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}
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s->len += s2->len;
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s->len += len;
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return lsm_error_ok;
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}
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lsm_error lsm_str_append(lsm_str *s, const lsm_str *s2) {
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return lsm_str_append_c(s, lsm_str_ptr(s2), s2->len);
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}
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@ -33,7 +33,7 @@ void lander_ctx_reset(lander_ctx *ctx) {
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if (ctx->instance != NULL) {
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ltm_instance_free(ctx->instance);
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ctx->instance = NULL;
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}
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}
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@ -21,7 +21,7 @@ static const char index_page[] =
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" </body>\n"
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"</html>\n";
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lnm_http_step_err lander_get_index(lnm_http_conn *conn) {
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lnm_http_step_err lander_get_root(lnm_http_conn *conn) {
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lnm_http_loop_ctx *ctx = conn->ctx;
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lnm_http_res_body_set_buf(&ctx->res, (char *)index_page,
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@ -74,7 +74,9 @@ lnm_err lander_entry_data_streamer(uint64_t *written, char *buf,
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return lnm_err_ok;
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}
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lnm_err lander_template_streamer(size_t *written, char *buf, lnm_http_conn *conn, uint64_t offset, uint64_t len) {
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lnm_err lander_template_streamer(size_t *written, char *buf,
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lnm_http_conn *conn, uint64_t offset,
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uint64_t len) {
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lnm_http_loop_ctx *ctx = conn->ctx;
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lander_ctx *c_ctx = ctx->c;
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@ -85,9 +87,10 @@ lnm_err lander_template_streamer(size_t *written, char *buf, lnm_http_conn *conn
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return lnm_err_ok;
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}
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ltm_err lander_data_to_template(size_t *written, char *buf, size_t len, void *data) {
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ltm_err lander_data_to_template(size_t *written, char *buf, size_t len,
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void *data) {
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lsm_entry_handle *entry = data;
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lsm_entry_data_read(written, buf, entry, len);
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return ltm_err_ok;
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@ -99,9 +102,11 @@ lnm_http_step_err lander_get_paste(lnm_http_conn *conn) {
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lander_ctx *c_ctx = ctx->c;
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ltm_template_instantiate(&c_ctx->instance, c_gctx->templates.paste);
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/* ltm_instance_block_add_var(c_ctx->instance, ltm_instance_block_type_buf, lsm_str_ptr(c_ctx->entry)) */
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ltm_instance_block_add_var_fn(c_ctx->instance, "paste", lander_data_to_template, c_ctx->entry, lsm_entry_data_len(c_ctx->entry));
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/* ltm_instance_block_add_var(c_ctx->instance, ltm_instance_block_type_buf,
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* lsm_str_ptr(c_ctx->entry)) */
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ltm_instance_block_add_var_fn(c_ctx->instance, "paste",
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lander_data_to_template, c_ctx->entry,
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lsm_entry_data_len(c_ctx->entry));
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lnm_http_res_body_set_fn(&ctx->res, lander_template_streamer,
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ltm_instance_size(c_ctx->instance));
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@ -123,6 +128,88 @@ lnm_http_step_err lander_get_file(lnm_http_conn *conn) {
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return lnm_http_step_err_done;
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}
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lnm_http_step_err lander_get_index(lnm_http_conn *conn) {
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lnm_http_loop_ctx *ctx = conn->ctx;
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lander_gctx *c_gctx = ctx->g->c;
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lander_ctx *c_ctx = ctx->c;
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ltm_template_instantiate(&c_ctx->instance, c_gctx->templates.index);
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const lsm_str *key;
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lsm_entry_key(&key, c_ctx->entry);
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ltm_instance_block_add_var(c_ctx->instance, "title_key",
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ltm_instance_block_type_buf,
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(void *)lsm_str_ptr(key), lsm_str_len(key));
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lsm_str *prefix;
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lsm_str_init_copy_n(&prefix, lsm_str_ptr(key), lsm_str_len(key));
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lsm_str_append_c(prefix, "_", 1);
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uint64_t prefix_len = lsm_str_len(prefix);
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lsm_store_iterator *iter;
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lsm_store_iter(&iter, c_gctx->store, prefix);
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lsm_entry_handle *handle;
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while (lsm_store_iter_next_read(&handle, iter) == lsm_error_ok) {
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const lsm_str *entry_key;
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lsm_entry_key(&entry_key, handle);
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lander_entry_type t;
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lsm_entry_attr_get_uint8_t((uint8_t *)&t, handle,
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lander_attr_type_entry_type);
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ltm_instance *nested;
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switch (t) {
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case lander_entry_type_redirect:
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ltm_instance_block_add_nested(&nested, c_ctx->instance, "redirect");
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ltm_instance_block_add_var(
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nested, "full_key", ltm_instance_block_type_buf,
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(void *)lsm_str_ptr(entry_key), lsm_str_len(entry_key));
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ltm_instance_block_add_var(nested, "short_key",
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ltm_instance_block_type_buf,
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(void *)(lsm_str_ptr(entry_key) + prefix_len),
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lsm_str_len(entry_key) - prefix_len);
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break;
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case lander_entry_type_file:
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ltm_instance_block_add_nested(&nested, c_ctx->instance, "file");
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ltm_instance_block_add_var(
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nested, "full_key", ltm_instance_block_type_buf,
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(void *)lsm_str_ptr(entry_key), lsm_str_len(entry_key));
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lsm_str *filename;
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if (lsm_entry_attr_get(&filename, handle, lander_attr_type_file_name)) {
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ltm_instance_block_add_var(
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nested, "filename", ltm_instance_block_type_buf,
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(void *)lsm_str_ptr(filename), lsm_str_len(filename));
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} else {
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ltm_instance_block_add_var(
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nested, "filename", ltm_instance_block_type_buf,
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(void *)(lsm_str_ptr(entry_key) + prefix_len),
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lsm_str_len(entry_key) - prefix_len);
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}
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break;
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}
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// TODO this should be done after writing the template
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lsm_entry_close(handle);
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}
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lnm_http_res_body_set_fn(&ctx->res, lander_template_streamer,
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ltm_instance_size(c_ctx->instance));
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lnm_http_res_add_header(&ctx->res, lnm_http_header_content_type, "text/html",
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false);
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lsm_store_iter_free(iter);
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lsm_str_free(prefix);
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return lnm_http_step_err_done;
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}
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lnm_http_step_err lander_get_entry(lnm_http_conn *conn) {
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lnm_http_loop_ctx *ctx = conn->ctx;
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lander_ctx *c_ctx = ctx->c;
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@ -164,6 +251,9 @@ lnm_http_step_err lander_get_entry(lnm_http_conn *conn) {
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case lander_entry_type_file:
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res = lander_get_file(conn);
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break;
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case lander_entry_type_index:
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res = lander_get_index(conn);
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break;
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default:
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ctx->res.status = lnm_http_status_internal_server_error;
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res = lnm_http_step_err_res;
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@ -147,3 +147,21 @@ lnm_http_step_err lander_post_file(lnm_http_conn *conn) {
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lnm_http_step_err lander_post_file_secure(lnm_http_conn *conn) {
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return __lander_post_file(conn, true);
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}
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lnm_http_step_err lander_post_index(lnm_http_conn *conn) {
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lnm_http_loop_ctx *ctx = conn->ctx;
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lander_ctx *c_ctx = ctx->c;
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if (!lander_insert_entry(ctx)) {
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return lnm_http_step_err_res;
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}
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lsm_entry_attr_insert_uint8_t(c_ctx->entry, lander_attr_type_entry_type,
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lander_entry_type_index);
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/* lander_header_to_attr(ctx, "X-Lander-Content-Type", */
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/* lander_attr_type_content_type); */
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/* lander_header_to_attr(ctx, "X-Lander-Filename",
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* lander_attr_type_file_name); */
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return lnm_http_step_err_done;
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}
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52
src/main.c
52
src/main.c
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@ -9,12 +9,34 @@
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#include "lander.h"
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const char *lander_server = "lander/" LANDER_VERSION;
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const char *paste_template =
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"<!doctype html>\n"
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"<head><link rel=\"stylesheet\" href=\"https://cdn.jsdelivr.net/gh/highlightjs/cdn-release@11.9.0/build/styles/stackoverflow-dark.min.css\">\n"
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"<script src=\"https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/highlight.min.js\"></script>\n"
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"<script>hljs.highlightAll();</script></head>\n"
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"<body><h1>{{ header }}</h1><pre><code>{{ paste }}</code></pre></body>";
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const char *paste_template =
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"<!doctype html>\n"
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"<head><link rel=\"stylesheet\" "
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"href=\"https://cdn.jsdelivr.net/gh/highlightjs/cdn-release@11.9.0/build/"
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"styles/stackoverflow-dark.min.css\">\n"
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"<script "
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"src=\"https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/"
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"highlight.min.js\"></script>\n"
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"<script>hljs.highlightAll();</script></head>\n"
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"<body><h1>{{ header }}</h1><pre><code>{{ paste }}</code></pre></body>";
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const char *index_template =
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"<!doctype html>\n"
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"<body>\n"
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"<h1>Index /{{ title_key }}</h1>\n"
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"<h2>Redirects</h2>"
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"<ul>\n"
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"{{ redirect start }}\n"
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"<li><a href=\"/{{ full_key }}\">{{ short_key }}</a></li>\n"
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"{{ redirect end }}\n"
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"</ul>\n"
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"<h2>Files</h2>"
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"<ul>\n"
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"{{ file start }}\n"
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"<li><a href=\"/{{ full_key }}\">{{ filename }}</a></li>\n"
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"{{ file end }}\n"
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"</ul>\n"
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"</body>\n";
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lnm_http_loop *loop_init(lander_gctx *gctx, const char *api_key) {
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lnm_http_loop *hl;
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@ -29,7 +51,7 @@ lnm_http_loop *loop_init(lander_gctx *gctx, const char *api_key) {
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lnm_http_route *route;
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lnm_http_router_add(&route, router, lnm_http_method_get, "/");
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lnm_http_route_step_append(route, lander_get_index, false);
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lnm_http_route_step_append(route, lander_get_root, false);
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lnm_http_router_add(&route, router, lnm_http_method_get, "/:key");
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lnm_http_route_step_append(route, lander_get_entry, false);
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@ -44,6 +66,7 @@ lnm_http_loop *loop_init(lander_gctx *gctx, const char *api_key) {
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lnm_http_route_step_append(route, lnm_http_loop_step_body_to_buf, false);
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lnm_http_route_step_append(route, lander_post_redirect_body_to_attr, false);
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<<<<<<< HEAD
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lnm_http_router_add(&route, router, lnm_http_method_post, "/sl/");
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lnm_http_route_step_append(route, lnm_http_loop_step_auth, false);
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lnm_http_route_step_append(route, lander_post_redirect_secure, false);
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@ -88,6 +111,20 @@ lnm_http_loop *loop_init(lander_gctx *gctx, const char *api_key) {
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lnm_http_loop_router_set(hl, router);
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lnm_http_step_init(&step, lnm_http_loop_step_auth);
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lnm_http_route_init_regex(&route, lnm_http_method_post, "^/i(l?)/([^/]+)$", 2,
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step);
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lnm_http_step_append(&step, step, lander_post_index);
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/* lnm_http_step_append(&step, step, lnm_http_loop_step_body_to_buf); */
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/* lnm_http_step_append(&step, step, lander_post_redirect_body_to_attr); */
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lnm_http_loop_route_add(hl, route);
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lnm_http_step_init(&step, lnm_http_loop_step_auth);
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lnm_http_route_init_regex(&route, lnm_http_method_delete, "^/([^/]+)$", 1,
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step);
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lnm_http_step_append(&step, step, lander_remove_entry);
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lnm_http_loop_route_add(hl, route);
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return hl;
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}
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@ -125,6 +162,7 @@ int main() {
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c_gctx->data_dir = data_dir_s;
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ltm_template_compile(&c_gctx->templates.paste, paste_template);
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ltm_template_compile(&c_gctx->templates.index, index_template);
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lsm_str *data_dir;
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lsm_str_init_copy(&data_dir, (char *)data_dir_s);
|
||||
|
|
Loading…
Reference in New Issue