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debug multi fs http server

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This commit is contained in:
Bogdan Pilyugin 2022-11-15 16:19:46 +02:00
parent af7911277d
commit c1a8cadda5
4 changed files with 209 additions and 49 deletions
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4
include/HTTPServer.h
View File

@ -93,9 +93,9 @@ esp_err_t start_file_server(void);
HTTP_IO_RESULT HTTPPostApp(httpd_req_t *req, const char *filename, char *PostData);
int HTTPPrint(httpd_req_t *req, char* buf, char* var);
esp_err_t http_resp_dir_html(httpd_req_t *req, const char *dirpath);
esp_err_t download_get_handler(httpd_req_t *req);
esp_err_t upload_post_handler(httpd_req_t *req);
esp_err_t delete_post_handler(httpd_req_t *req);
#endif /* COMPONENTS_WEB_GUI_APPLICATION_INCLUDE_HTTPSERVER_H_ */

229
src/FileServer.c
View File

@ -1,4 +1,4 @@
/*! Copyright 2022 Bogdan Pilyugin
/*! Copyright 2022 Bogdan Pilyugin
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -21,11 +21,60 @@
* \copyright Apache License, Version 2.0
*/
#include "HTTPServer.h"
static const char *TAG = "FileServer";
/* Handler to redirect incoming GET request for /index.html to /
* This can be overridden by uploading file with same name */
static esp_err_t index_html_get_handler(httpd_req_t *req)
{
httpd_resp_set_status(req, "307 Temporary Redirect");
httpd_resp_set_hdr(req, "Location", "/");
httpd_resp_send(req, NULL, 0); // Response body can be empty
return ESP_OK;
}
#define IS_FILE_EXT(filename, ext) \
(strcasecmp(&filename[strlen(filename) - sizeof(ext) + 1], ext) == 0)
/* Set HTTP response content type according to file extension */
static esp_err_t set_content_type_from_file(httpd_req_t *req,
const char *filename)
{
if (IS_FILE_EXT(filename, ".pdf"))
{
return httpd_resp_set_type(req, "application/pdf");
}
else if (IS_FILE_EXT(filename, ".html"))
{
return httpd_resp_set_type(req, "text/html");
}
else if (IS_FILE_EXT(filename, ".jpeg"))
{
return httpd_resp_set_type(req, "image/jpeg");
}
else if (IS_FILE_EXT(filename, ".png"))
{
return httpd_resp_set_type(req, "image/png");
}
else if (IS_FILE_EXT(filename, ".ico"))
{
return httpd_resp_set_type(req, "image/x-icon");
}
else if (IS_FILE_EXT(filename, ".css"))
{
return httpd_resp_set_type(req, "text/css");
}
else if (IS_FILE_EXT(filename, ".woff2"))
{
return httpd_resp_set_type(req, "font/woff2");
}
/* This is a limited set only */
/* For any other type always set as plain text */
return httpd_resp_set_type(req, "text/plain");
}
/* Copies the full path into destination buffer and returns
* pointer to path (skipping the preceding base path) */
static const char* get_path_from_uri(char *dest, const char *base_path,
@ -64,7 +113,7 @@ static const char* get_path_from_uri(char *dest, const char *base_path,
* a list of all files and folders under the requested path.
* In case of SPIFFS this returns empty list when path is any
* string other than '/', since SPIFFS doesn't support directories */
esp_err_t http_resp_dir_html(httpd_req_t *req, const char *dirpath)
static esp_err_t http_resp_dir_html(httpd_req_t *req, const char *dirpath)
{
char entrypath[FILE_PATH_MAX];
char entrysize[16];
@ -79,39 +128,41 @@ esp_err_t http_resp_dir_html(httpd_req_t *req, const char *dirpath)
/* Retrieve the base path of file storage to construct the full path */
strlcpy(entrypath, dirpath, sizeof(entrypath));
if (!dir) {
if (!dir)
{
ESP_LOGE(TAG, "Failed to stat dir : %s", dirpath);
/* Respond with 404 Not Found */
httpd_resp_send_err(req, HTTPD_404_NOT_FOUND, "Directory does not exist");
httpd_resp_send_err(req, HTTPD_404_NOT_FOUND, "Files directory does not exist");
return ESP_FAIL;
}
/* Send HTML file header */
httpd_resp_sendstr_chunk(req, "<!DOCTYPE html><html><body>");
/* Get handle to embedded file upload script */
extern const unsigned char upload_script_start[] asm("_binary_upload_script_html_start");
extern const unsigned char upload_script_end[] asm("_binary_upload_script_html_end");
extern const unsigned char upload_script_end[] asm("_binary_upload_script_html_end");
const size_t upload_script_size = (upload_script_end - upload_script_start);
/* Add file upload form and script which on execution sends a POST request to /upload */
httpd_resp_send_chunk(req, (const char *)upload_script_start, upload_script_size);
httpd_resp_send_chunk(req, (const char*) upload_script_start, upload_script_size);
/* Send file-list table definition and column labels */
httpd_resp_sendstr_chunk(req,
"<table class=\"fixed\" border=\"1\">"
"<col width=\"800px\" /><col width=\"300px\" /><col width=\"300px\" /><col width=\"100px\" />"
"<thead><tr><th>Name</th><th>Type</th><th>Size (Bytes)</th><th>Delete</th></tr></thead>"
"<tbody>");
httpd_resp_sendstr_chunk(
req,
"<table class=\"fixed\" border=\"1\">"
"<col width=\"800px\" /><col width=\"300px\" /><col width=\"300px\" /><col width=\"100px\" />"
"<thead><tr><th>Name</th><th>Type</th><th>Size (Bytes)</th><th>Delete</th></tr></thead>"
"<tbody>");
/* Iterate over all files / folders and fetch their names and sizes */
while ((entry = readdir(dir)) != NULL) {
while ((entry = readdir(dir)) != NULL)
{
entrytype = (entry->d_type == DT_DIR ? "directory" : "file");
strlcpy(entrypath + dirpath_len, entry->d_name, sizeof(entrypath) - dirpath_len);
if (stat(entrypath, &entry_stat) == -1) {
if (stat(entrypath, &entry_stat) == -1)
{
ESP_LOGE(TAG, "Failed to stat %s : %s", entrytype, entry->d_name);
continue;
}
@ -122,7 +173,8 @@ esp_err_t http_resp_dir_html(httpd_req_t *req, const char *dirpath)
httpd_resp_sendstr_chunk(req, "<tr><td><a href=\"");
httpd_resp_sendstr_chunk(req, req->uri);
httpd_resp_sendstr_chunk(req, entry->d_name);
if (entry->d_type == DT_DIR) {
if (entry->d_type == DT_DIR)
{
httpd_resp_sendstr_chunk(req, "/");
}
httpd_resp_sendstr_chunk(req, "\">");
@ -151,6 +203,99 @@ esp_err_t http_resp_dir_html(httpd_req_t *req, const char *dirpath)
return ESP_OK;
}
/* Handler to download a file kept on the server */
esp_err_t download_get_handler(httpd_req_t *req)
{
char filepath[FILE_PATH_MAX];
FILE *fd = NULL;
struct stat file_stat;
const char *filename = get_path_from_uri(filepath, ((struct file_server_data*) req->user_ctx)->base_path,
req->uri,
sizeof(filepath));
if (!filename)
{
ESP_LOGE(TAG, "Filename is too long");
/* Respond with 500 Internal Server Error */
httpd_resp_send_err(req, HTTPD_500_INTERNAL_SERVER_ERROR, "Filename too long");
return ESP_FAIL;
}
/* If name has trailing '/', respond with directory contents */
if (filename[strlen(filename) - 1] == '/')
{
return http_resp_dir_html(req, "/data");
}
if (stat(filepath, &file_stat) == -1)
{
/* If file not present on SPIFFS check if URI
* corresponds to one of the hardcoded paths */
if (strcmp(filename, "/") == 0)
{
return index_html_get_handler(req);
}
ESP_LOGE(TAG, "Failed to stat file : %s", filepath);
/* Respond with 404 Not Found */
httpd_resp_send_err(req, HTTPD_404_NOT_FOUND, "File does not exist");
return ESP_FAIL;
}
fd = fopen(filepath, "r");
if (!fd)
{
ESP_LOGE(TAG, "Failed to read existing file : %s", filepath);
/* Respond with 500 Internal Server Error */
httpd_resp_send_err(req, HTTPD_500_INTERNAL_SERVER_ERROR, "Failed to read existing file");
return ESP_FAIL;
}
ESP_LOGI(TAG, "Sending file : %s (%ld bytes)...", filename, file_stat.st_size);
set_content_type_from_file(req, filename);
/* Retrieve the pointer to scratch buffer for temporary storage */
char *chunk = ((struct file_server_data*) req->user_ctx)->scratch;
size_t chunksize;
do
{
/* Read file in chunks into the scratch buffer */
chunksize = fread(chunk, 1, SCRATCH_BUFSIZE, fd);
if (chunksize > 0)
{
/* Send the buffer contents as HTTP response chunk */
if (httpd_resp_send_chunk(req, chunk, chunksize) != ESP_OK)
{
fclose(fd);
ESP_LOGE(TAG, "File sending failed!");
/* Abort sending file */
httpd_resp_sendstr_chunk(req, NULL);
/* Respond with 500 Internal Server Error */
httpd_resp_send_err(req, HTTPD_500_INTERNAL_SERVER_ERROR, "Failed to send file");
return ESP_FAIL;
}
}
/* Keep looping till the whole file is sent */
}
while (chunksize != 0);
/* Close file after sending complete */
fclose(fd);
ESP_LOGI(TAG, "File sending complete");
/* Respond with an empty chunk to signal HTTP response completion */
#ifdef CONFIG_EXAMPLE_HTTPD_CONN_CLOSE_HEADER
httpd_resp_set_hdr(req, "Connection", "close");
#endif
httpd_resp_send_chunk(req, NULL, 0);
return ESP_OK;
}
/* Handler to upload a file onto the server */
esp_err_t upload_post_handler(httpd_req_t *req)
{
@ -160,22 +305,26 @@ esp_err_t upload_post_handler(httpd_req_t *req)
/* Skip leading "/upload" from URI to get filename */
/* Note sizeof() counts NULL termination hence the -1 */
const char *filename = get_path_from_uri(filepath, ((struct file_server_data *)req->user_ctx)->base_path2,
req->uri + sizeof("/upload") - 1, sizeof(filepath));
if (!filename) {
const char *filename = get_path_from_uri(filepath, ((struct file_server_data*) req->user_ctx)->base_path,
req->uri + sizeof("/files/upload") - 1,
sizeof(filepath));
if (!filename)
{
/* Respond with 500 Internal Server Error */
httpd_resp_send_err(req, HTTPD_500_INTERNAL_SERVER_ERROR, "Filename too long");
return ESP_FAIL;
}
/* Filename cannot have a trailing '/' */
if (filename[strlen(filename) - 1] == '/') {
if (filename[strlen(filename) - 1] == '/')
{
ESP_LOGE(TAG, "Invalid filename : %s", filename);
httpd_resp_send_err(req, HTTPD_500_INTERNAL_SERVER_ERROR, "Invalid filename");
return ESP_FAIL;
}
if (stat(filepath, &file_stat) == 0) {
if (stat(filepath, &file_stat) == 0)
{
ESP_LOGE(TAG, "File already exists : %s", filepath);
/* Respond with 400 Bad Request */
httpd_resp_send_err(req, HTTPD_400_BAD_REQUEST, "File already exists");
@ -183,7 +332,8 @@ esp_err_t upload_post_handler(httpd_req_t *req)
}
/* File cannot be larger than a limit */
if (req->content_len > MAX_FILE_SIZE) {
if (req->content_len > MAX_FILE_SIZE)
{
ESP_LOGE(TAG, "File too large : %d bytes", req->content_len);
/* Respond with 400 Bad Request */
httpd_resp_send_err(req, HTTPD_400_BAD_REQUEST,
@ -195,7 +345,8 @@ esp_err_t upload_post_handler(httpd_req_t *req)
}
fd = fopen(filepath, "w");
if (!fd) {
if (!fd)
{
ESP_LOGE(TAG, "Failed to create file : %s", filepath);
/* Respond with 500 Internal Server Error */
httpd_resp_send_err(req, HTTPD_500_INTERNAL_SERVER_ERROR, "Failed to create file");
@ -205,19 +356,22 @@ esp_err_t upload_post_handler(httpd_req_t *req)
ESP_LOGI(TAG, "Receiving file : %s...", filename);
/* Retrieve the pointer to scratch buffer for temporary storage */
char *buf = ((struct file_server_data *)req->user_ctx)->scratch;
char *buf = ((struct file_server_data*) req->user_ctx)->scratch;
int received;
/* Content length of the request gives
* the size of the file being uploaded */
int remaining = req->content_len;
while (remaining > 0) {
while (remaining > 0)
{
ESP_LOGI(TAG, "Remaining size : %d", remaining);
/* Receive the file part by part into a buffer */
if ((received = httpd_req_recv(req, buf, MIN(remaining, SCRATCH_BUFSIZE))) <= 0) {
if (received == HTTPD_SOCK_ERR_TIMEOUT) {
if ((received = httpd_req_recv(req, buf, MIN(remaining, SCRATCH_BUFSIZE))) <= 0)
{
if (received == HTTPD_SOCK_ERR_TIMEOUT)
{
/* Retry if timeout occurred */
continue;
}
@ -234,7 +388,8 @@ esp_err_t upload_post_handler(httpd_req_t *req)
}
/* Write buffer content to file on storage */
if (received && (received != fwrite(buf, 1, received, fd))) {
if (received && (received != fwrite(buf, 1, received, fd)))
{
/* Couldn't write everything to file!
* Storage may be full? */
fclose(fd);
@ -273,22 +428,26 @@ esp_err_t delete_post_handler(httpd_req_t *req)
/* Skip leading "/delete" from URI to get filename */
/* Note sizeof() counts NULL termination hence the -1 */
const char *filename = get_path_from_uri(filepath, ((struct file_server_data *)req->user_ctx)->base_path2,
req->uri + sizeof("/delete") - 1, sizeof(filepath));
if (!filename) {
const char *filename = get_path_from_uri(filepath, ((struct file_server_data*) req->user_ctx)->base_path2,
req->uri + sizeof("/delete") - 1,
sizeof(filepath));
if (!filename)
{
/* Respond with 500 Internal Server Error */
httpd_resp_send_err(req, HTTPD_500_INTERNAL_SERVER_ERROR, "Filename too long");
return ESP_FAIL;
}
/* Filename cannot have a trailing '/' */
if (filename[strlen(filename) - 1] == '/') {
if (filename[strlen(filename) - 1] == '/')
{
ESP_LOGE(TAG, "Invalid filename : %s", filename);
httpd_resp_send_err(req, HTTPD_500_INTERNAL_SERVER_ERROR, "Invalid filename");
return ESP_FAIL;
}
if (stat(filepath, &file_stat) == -1) {
if (stat(filepath, &file_stat) == -1)
{
ESP_LOGE(TAG, "File does not exist : %s", filename);
/* Respond with 400 Bad Request */
httpd_resp_send_err(req, HTTPD_400_BAD_REQUEST, "File does not exist");
@ -309,5 +468,3 @@ esp_err_t delete_post_handler(httpd_req_t *req)
return ESP_OK;
}

23
src/HTTPServer.c
View File

@ -211,7 +211,13 @@ static esp_err_t POSTHandler(httpd_req_t *req)
((struct file_server_data*) req->user_ctx)->base_path,
req->uri,
sizeof(filepath));
ESP_LOGW(TAG, "filepath %s", filepath);
ESP_LOGW(TAG, "URI %s", req->uri);
if (memmem(filename, strlen(filename), "/files/upload/", sizeof("/files/upload/")))
{
ESP_LOGW(TAG, "filepath %s", filepath);
return upload_post_handler(req);
}
filename = get_path_from_uri(filepath,
((struct file_server_data*) req->user_ctx)->base_path,
@ -219,8 +225,6 @@ static esp_err_t POSTHandler(httpd_req_t *req)
sizeof(filepath));
if (!memcmp(filename, "/api", 4))
{
return RestApiHandler(req);
@ -284,6 +288,12 @@ static esp_err_t GETHandler(httpd_req_t *req)
return ESP_FAIL;
}
ESP_LOGW(TAG, "URI %s", req->uri);
if (!strcmp(filename, "/files/"))
{
return download_get_handler(req);
}
/* Redirect request to /index.html */
if (filename[strlen(filename) - 1] == '/')
{
@ -296,13 +306,6 @@ static esp_err_t GETHandler(httpd_req_t *req)
return ESP_OK;
}
if (!strcmp(filename, "/files.html"))
{
return http_resp_dir_html(req, "/data");
}
//check auth for all files except status.json
if (strcmp(filename, "/status.json"))
{

2
upload_script.html
View File

@ -33,7 +33,7 @@ function setpath() {
}
function upload() {
var filePath = document.getElementById("filepath").value;
var upload_path = "/upload/" + filePath;
var upload_path = "files/upload/" + filePath;
var fileInput = document.getElementById("newfile").files;
/* Max size of an individual file. Make sure this