/*
The function assembles the response to be given to the browser.
code: an integer response code, normally this is 200.
header: An extra header to be sent with the response. May be empty.
contents: the response body to be sent.
The function inserts the correct headers,
and creates the entire result to be sent back to the browser.
*/
void http_assemble_response (Webserver_Request * request)
{
ostringstream length;
length << request->reply.size ();
// Assemble the HTTP response code fragment.
string http_response_code_fragment = filter_url_http_response_code_text (request->response_code);
// Assemble the Content-Type.
string extension = filter_url_get_extension (request->get);
extension = unicode_string_casefold (extension);
string content_type;
if (extension == "js") content_type = "application/javascript";
else if (extension == "css") content_type = "text/css";
else if (extension == "ico") content_type = "image/vnd.microsoft.icon";
else if (extension == "gif") content_type = "image/gif";
else if (extension == "jpe") content_type = "image/jpeg";
else if (extension == "jpg") content_type = "image/jpeg";
else if (extension == "jpeg") content_type = "image/jpeg";
else if (extension == "png") content_type = "image/png";
else if (extension == "svg") content_type = "image/svg+xml";
else if (extension == "bmp") content_type = "image/bmp";
else if (extension == "txt") content_type = "text/plain";
else if (extension == "usfm") content_type = "text/plain";
else if (extension == "otf") content_type = "font/opentype";
else if (extension == "ttf") content_type = "application/font-sfnt";
else if (extension == "woff") content_type = "application/font-woff";
else if (extension == "sh") content_type = "application/octet-stream";
else if (extension == "sqlite") content_type = "application/octet-stream";
else if (extension == "htm") content_type = "text/html";
else if (extension == "html") content_type = "text/html";
else if (extension == "") content_type = "text/html";
else if (extension == "download") content_type = "application/octet-stream";
else content_type = "application/octet-stream";
// Assemble the complete response for the browser.
vector <string> response;
response.push_back ("HTTP/1.1 " + http_response_code_fragment);
response.push_back ("Accept-Ranges: bytes");
response.push_back ("Content-Length: " + length.str());
response.push_back ("Content-Type: " + content_type);
if (!request->etag.empty ()) {
response.push_back ("Cache-Control: max-age=120");
response.push_back ("ETag: " + request->etag);
}
if (!request->header.empty ()) response.push_back (request->header);
response.push_back ("");
if (!request->reply.empty ()) response.push_back (request->reply);
string assembly;
for (unsigned int i = 0; i < response.size (); i++) {
if (i > 0) assembly += "\n";
assembly += response [i];
}
request->reply = assembly;
}
// Imports the file at $path into $resource.
void resource_logic_import_images (string resource, string path)
{
Database_ImageResources database_imageresources;
Database_Logs::log ("Importing: " + filter_url_basename (path));
// To begin with, add the path to the main file to the list of paths to be processed.
vector <string> paths = {path};
while (!paths.empty ()) {
// Take and remove the first path from the container.
path = paths[0];
paths.erase (paths.begin());
string basename = filter_url_basename (path);
string extension = filter_url_get_extension (path);
extension = unicode_string_casefold (extension);
if (extension == "pdf") {
Database_Logs::log ("Processing PDF: " + basename);
// Retrieve PDF information.
filter_shell_run ("", "pdfinfo", {path}, NULL, NULL);
// Convert the PDF file to separate images.
string folder = filter_url_tempfile ();
filter_url_mkdir (folder);
filter_shell_run (folder, "pdftocairo", {"-jpeg", path}, NULL, NULL);
// Add the images to the ones to be processed.
filter_url_recursive_scandir (folder, paths);
} else if (filter_archive_is_archive (path)) {
Database_Logs::log ("Unpacking archive: " + basename);
string folder = filter_archive_uncompress (path);
filter_url_recursive_scandir (folder, paths);
} else {
if (!extension.empty ()) {
basename = database_imageresources.store (resource, path);
Database_Logs::log ("Storing image " + basename );
}
}
}
Database_Logs::log ("Ready importing images");
}
vector <string> Fonts_Logic::getFonts ()
{
vector <string> files = filter_url_scandir (folder());
vector <string> fonts;
for (auto & file : files) {
string suffix = filter_url_get_extension (file);
if (suffix == "txt") continue;
if (suffix == "html") continue;
if (suffix == "h") continue;
if (suffix == "cpp") continue;
if (suffix == "o") continue;
fonts.push_back (file);
}
return fonts;
}
// Prepares a sample Bible.
// The output of this is supposed to be manually put into the source tree, folder "samples".
// This will be used to quickly create a sample Bible, that is fast, even on mobile devices.
void demo_prepare_sample_bible ()
{
Database_Bibles database_bibles;
// Remove the Bible to remove all stuff that might have been in it.
database_bibles.deleteBible (demo_sample_bible_name ());
search_logic_delete_bible (demo_sample_bible_name ());
// Create a new one.
database_bibles.createBible (demo_sample_bible_name ());
// Location of the USFM files for the sample Bible.
string directory = filter_url_create_root_path ("demo");
vector <string> files = filter_url_scandir (directory);
for (auto file : files) {
// Only process the USFM files.
if (filter_url_get_extension (file) == "usfm") {
cout << file << endl;
// Read the USFM.
file = filter_url_create_path (directory, file);
string usfm = filter_url_file_get_contents (file);
usfm = filter_string_str_replace (" ", " ", usfm);
// Import the USFM into the Bible.
vector <BookChapterData> book_chapter_data = usfm_import (usfm, styles_logic_standard_sheet ());
for (auto data : book_chapter_data) {
Bible_Logic::storeChapter (demo_sample_bible_name (), data.book, data.chapter, data.data);
}
}
}
// Clean the destination location for the Bible.
string destination = sample_bible_bible_path ();
filter_url_rmdir (destination);
// Copy the Bible data to the destination.
string source = database_bibles.bibleFolder (demo_sample_bible_name ());
filter_url_dir_cp (source, destination);
// Clean the destination location for the Bible search index.
destination = sample_bible_index_path ();
filter_url_rmdir (destination);
// Create destination location.
filter_url_mkdir (destination);
// Copy the index files over to the destination.
source = search_logic_index_folder ();
files = filter_url_scandir (source);
for (auto file : files) {
if (file.find (demo_sample_bible_name ()) != string::npos) {
string source_file = filter_url_create_path (source, file);
string destination_file = filter_url_create_path (destination, file);
filter_url_file_cp (source_file, destination_file);
}
}
}
// Get the names of the available default versification systems that come with Bibledit.
vector <string> versification_logic_names ()
{
vector <string> names;
string directory = filter_url_create_root_path ("versification");
vector <string> files = filter_url_scandir (directory);
for (auto file : files) {
if (filter_url_get_extension (file) == "txt") {
// Remove the dot and extension.
file = file.substr (0, file.length () - 4);
// Change underscores to spaces for the names.
file = filter_string_str_replace ("_", " ", file);
names.push_back (file);
}
}
return names;
}
// Returns 0 is not an archive that Bibledit supports.
// Else returns 1, 2, 3... depending on the type of archive.
int filter_archive_is_archive (string file)
{
// Tar (.tar) archives, including those compressed with gzip (.tar.gz, .tgz), bzip (.tar.bz, .tbz), bzip2 (.tar.bz2, .tbz2), compress (.tar.Z, .taz), lzop (.tar.lzo, .tzo) and lzma (.tar.lzma)
// Zip archives (.zip)
// Jar archives (.jar, .ear, .war)
// 7z archives (.7z)
// iso9660 CD images (.iso)
// Lha archives (.lzh)
// Single files compressed with gzip (.gz), bzip (.bz), bzip2 (.bz2), compress (.Z), lzop (.lzo) and lzma (.lzma)
string suffix = filter_url_get_extension (file);
if ((suffix == "tar.gz") || (suffix == "gz") || (suffix == "tgz")) {
return 1;
}
if ((suffix == "zip")) {
return 2;
}
if ((suffix == "tar.bz") || (suffix == "tbz") || (suffix == "tar.bz2") || (suffix == "tbz2")) {
return 0;
}
return 0;
}
