dav/finfo.c

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2019 Olaf Wintermann. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   1. Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *
 *   2. Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include "finfo.h"

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/stat.h>

#include <ucx/string.h>

uint32_t parse_finfo(const char *str) {
    scstr_t s = scstr(str);
    
    if(!sstrcmp(s, SC("*")) || !sstrcmp(s, SC("a")) || !sstrcmp(s, SC("all"))) {
        return FINFO_DATE|FINFO_OWNER|FINFO_MODE;
    }
    
    size_t count = 0;
    sstr_t *fs = sstrsplit(s, SC(","), &count);
    
    uint32_t finfo = 0;
    for(int i=0;i<count;i++) {
        sstr_t f = fs[i];
        if(!sstrcasecmp(f, SC("date"))) {
            finfo |= FINFO_DATE;
        } else if(!sstrcasecmp(f, SC("owner"))) {
            finfo |= FINFO_OWNER;
        } else if(!sstrcasecmp(f, SC("mode"))) {
            finfo |= FINFO_MODE;
        }
        free(f.ptr);
    }
    
    free(fs);
    return finfo;
}

int resource_set_finfo(const char *path, DavResource *res, uint32_t finfo) {
    if(!path || finfo == 0) {
        return 0;
    }
    
    struct stat s;
    if(stat(path, &s)) {
        fprintf(stderr, "failed to stat: %s\n", path);
        return 1;
    }
    return resource_set_finfo_s(&s, res, finfo);
}

static int buf_write_date(UcxBuffer *buf, time_t t) {
    struct tm *date = gmtime(&t);
    char str[32];
    size_t len = strftime(str, 32, "%a, %d %b %Y %H:%M:%S GMT", date);
    return ucx_buffer_write(str, 1, len, buf);
}

int resource_set_finfo_s(struct stat *s, DavResource *res, uint32_t finfo) {
    if(finfo == 0) {
        return 0;
    }
    
    DavXmlNode *content = NULL;
    
    if(finfo & FINFO_DATE == FINFO_DATE) {
        char str[32];
        struct tm *date = gmtime(&s->st_mtime);
        strftime(str, 32, "%a, %d %b %Y %H:%M:%S GMT", date);
        DavXmlNode *mtime = dav_xml_createnode_with_text(DAV_NS, "mtime", str);
        content = mtime;
    }
#ifndef _WIN32
    if(finfo & FINFO_OWNER == FINFO_OWNER) {
        // TODO
    }
    if(finfo & FINFO_MODE == FINFO_MODE) {
        // TODO
    }
#endif
    
    
    dav_set_property(res, "idav:finfo", content);;
    
    return 0;
}