109 lines
3.1 KiB
C++
109 lines
3.1 KiB
C++
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#include "http_page.h"
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#include "hdir.h"
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#include "hurl.h"
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#define AUTOINDEX_FILENAME_MAXLEN 50
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void make_http_status_page(http_status status_code, std::string& page) {
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char szCode[8];
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snprintf(szCode, sizeof(szCode), "%d ", status_code);
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const char* status_message = http_status_str(status_code);
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page += R"(<!DOCTYPE html>
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<html>
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<head>
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<title>)";
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page += szCode; page += status_message;
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page += R"(</title>
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</head>
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<body>
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<center><h1>)";
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page += szCode; page += status_message;
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page += R"(</h1></center>
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<hr>
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</body>
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</html>)";
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}
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void make_index_of_page(const char* dir, std::string& page, const char* url) {
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char c_str[1024] = {0};
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snprintf(c_str, sizeof(c_str), R"(<!DOCTYPE html>
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<html>
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<head>
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<title>Index of %s</title>
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</head>
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<body>
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<h1>Index of %s</h1>
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<hr>
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)", url, url);
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page += c_str;
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page += " <table border=\"0\">\n";
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page += R"( <tr>
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<th align="left" width="30%">Name</th>
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<th align="left" width="20%">Date</th>
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<th align="left" width="20%">Size</th>
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</tr>
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)";
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#define _ADD_TD_(page, td) \
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page += " <td>"; \
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page += td; \
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page += "</td>\n"; \
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std::list<hdir_t> dirs;
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listdir(dir, dirs);
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std::string escaped_name;
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for (auto& item : dirs) {
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if (item.name[0] == '.' && item.name[1] == '\0') continue;
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page += " <tr>\n";
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// fix CVE-2023-26146
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escaped_name = hv::escapeHTML(item.name);
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const char* filename = escaped_name.c_str();
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size_t len = escaped_name.size() + (item.type == 'd');
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// name
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snprintf(c_str, sizeof(c_str), "<a href=\"%s%s\">%s%s</a>",
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filename,
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item.type == 'd' ? "/" : "",
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len < AUTOINDEX_FILENAME_MAXLEN ? filename : std::string(filename, filename+AUTOINDEX_FILENAME_MAXLEN-4).append("...").c_str(),
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item.type == 'd' ? "/" : "");
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_ADD_TD_(page, c_str)
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if (strcmp(filename, "..") != 0) {
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// mtime
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struct tm* tm = localtime(&item.mtime);
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snprintf(c_str, sizeof(c_str), "%04d-%02d-%02d %02d:%02d:%02d",
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tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec);
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_ADD_TD_(page, c_str)
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// size
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if (item.type == 'd') {
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page += '-';
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}
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else {
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float hsize;
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if (item.size < 1024) {
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snprintf(c_str, sizeof(c_str), "%lu", (unsigned long)item.size);
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}
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else if ((hsize = item.size/1024.0f) < 1024.0f) {
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snprintf(c_str, sizeof(c_str), "%.1fK", hsize);
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}
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else if ((hsize /= 1024.0f) < 1024.0f) {
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snprintf(c_str, sizeof(c_str), "%.1fM", hsize);
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}
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else {
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hsize /= 1024.0f;
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snprintf(c_str, sizeof(c_str), "%.1fG", hsize);
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}
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_ADD_TD_(page, c_str)
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}
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}
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page += " </tr>\n";
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}
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#undef _ADD_TD_
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page += R"( </table>
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<hr>
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</body>
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</html>
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)";
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}
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