aboutsummaryrefslogblamecommitdiffstats
path: root/libical/src/libical/icalmime.c
blob: 6e11e9e326d6b3d8f4597cce168e6a3586594b3e (plain) (tree)




























                                                                        

                       

                   
                                    
                                    





































































                                                              
                











                                                                          



                    

















                                                                                                                                                         
                                                                                                                                              






                                                                                                                                                                                










                                                         




                                                                        


































                                                                                  























                                                                                                                                             

                                                                           


















                                                                  









                                                              
 
                                            

                                                                    
         























































































                                                                            
























                                                                            
                                             












                                                                            
/* -*- Mode: C -*-*/
/*======================================================================
 FILE: icalmime.c
 CREATOR: eric 26 July 2000


 $Id$
 $Locker$

 (C) COPYRIGHT 2000, Eric Busboom, http://www.softwarestudio.org

 This program is free software; you can redistribute it and/or modify
 it under the terms of either: 

    The LGPL as published by the Free Software Foundation, version
    2.1, available at: http://www.fsf.org/copyleft/lesser.html

  Or:

    The Mozilla Public License Version 1.0. You may obtain a copy of
    the License at http://www.mozilla.org/MPL/

 The Original Code is eric. The Initial Developer of the Original
 Code is Eric Busboom


======================================================================*/

#include "icalmime.h"
#include "icalerror.h"
#include "icalmemory.h"
#include "sspm.h"
#include "stdlib.h"
#include <string.h> /* For strdup */
#include <stdio.h> /* for snprintf*/

#ifdef DMALLOC
#include "dmalloc.h"
#endif


/* These *_part routines are called by the MIME parser via the
   local_action_map */

struct text_part
{
    char* buf;
    char* buf_pos;
    size_t buf_size;
};

void* icalmime_text_new_part()
{

#define BUF_SIZE 2048

    struct text_part* impl;

    if ( ( impl = (struct text_part*)
       malloc(sizeof(struct text_part))) == 0) {
    return 0;
    }

    impl->buf =  icalmemory_new_buffer(BUF_SIZE);
    impl->buf_pos = impl->buf;
    impl->buf_size = BUF_SIZE;

    return impl;    
}
void icalmime_text_add_line(void *part, 
                struct sspm_header *header, 
                char* line, size_t size)
{
    struct text_part* impl = (struct text_part*) part;

    icalmemory_append_string(&(impl->buf),&(impl->buf_pos),
                 &(impl->buf_size),line);
    
}

void* icalmime_textcalendar_end_part(void* part)
{

    struct text_part* impl = (struct text_part*) part;
    icalcomponent *c = icalparser_parse_string(impl->buf);

    icalmemory_free_buffer(impl->buf);
    free(impl);

    return c;

}

void* icalmime_text_end_part(void* part)
{
    struct text_part* impl = ( struct text_part*) part;

    icalmemory_add_tmp_buffer(impl->buf);
    free(impl);

    return impl->buf;
}

void icalmime_text_free_part(void *part)
{
    part = part;
}


/* Ignore Attachments for now */

void* icalmime_attachment_new_part()
{
    return 0;
}
void icalmime_attachment_add_line(void *part, struct sspm_header *header, 
                  char* line, size_t size)
{
    part = part;
    header = header;
    line = line;
    size = size;
}

void* icalmime_attachment_end_part(void* part)
{
    return 0;
}

void icalmime_attachment_free_part(void *part)
{
}




struct sspm_action_map icalmime_local_action_map[] = 
{
    {SSPM_TEXT_MAJOR_TYPE,SSPM_CALENDAR_MINOR_TYPE,icalmime_text_new_part,icalmime_text_add_line,icalmime_textcalendar_end_part,icalmime_text_free_part},
    {SSPM_TEXT_MAJOR_TYPE,SSPM_ANY_MINOR_TYPE,icalmime_text_new_part,icalmime_text_add_line,icalmime_text_end_part,icalmime_text_free_part},
    {SSPM_TEXT_MAJOR_TYPE,SSPM_PLAIN_MINOR_TYPE,icalmime_text_new_part,icalmime_text_add_line,icalmime_text_end_part,icalmime_text_free_part},
    {SSPM_APPLICATION_MAJOR_TYPE,SSPM_CALENDAR_MINOR_TYPE,icalmime_attachment_new_part,icalmime_attachment_add_line,icalmime_attachment_end_part,icalmime_attachment_free_part},
    {SSPM_IMAGE_MAJOR_TYPE,SSPM_CALENDAR_MINOR_TYPE,icalmime_attachment_new_part,icalmime_attachment_add_line,icalmime_attachment_end_part,icalmime_attachment_free_part},
    {SSPM_AUDIO_MAJOR_TYPE,SSPM_CALENDAR_MINOR_TYPE,icalmime_attachment_new_part,icalmime_attachment_add_line,icalmime_attachment_end_part,icalmime_attachment_free_part},
    {SSPM_IMAGE_MAJOR_TYPE,SSPM_CALENDAR_MINOR_TYPE,icalmime_attachment_new_part,icalmime_attachment_add_line,icalmime_attachment_end_part,icalmime_attachment_free_part},
   {SSPM_UNKNOWN_MAJOR_TYPE,SSPM_UNKNOWN_MINOR_TYPE,0,0,0,0}
};

#define NUM_PARTS 100 /* HACK. Hard Limit */



struct sspm_part* icalmime_make_part(icalcomponent* comp)
{
    comp = comp;
    return 0;
}

char* icalmime_as_mime_string(char* icalcomponent);

icalcomponent* icalmime_parse(char* (*get_string)(char *s, size_t size, 
                               void *d),
                void *data)
{
    struct sspm_part *parts;
    int i, last_level=0;
    icalcomponent *root=0, *parent=0, *comp=0, *last = 0;

    if ( (parts = (struct sspm_part *)
      malloc(NUM_PARTS*sizeof(struct sspm_part)))==0) {
    icalerror_set_errno(ICAL_NEWFAILED_ERROR);
    return 0;
    }

    memset(parts,0,sizeof(parts));

    sspm_parse_mime(parts, 
            NUM_PARTS, /* Max parts */
            icalmime_local_action_map, /* Actions */ 
            get_string,
            data, /* data for get_string*/
            0 /* First header */);



    for(i = 0; i <NUM_PARTS && parts[i].header.major != SSPM_NO_MAJOR_TYPE ; i++){

#define TMPSZ 1024
    char mimetype[TMPSZ];                  
    char* major = sspm_major_type_string(parts[i].header.major);
    char* minor = sspm_minor_type_string(parts[i].header.minor);

    if(parts[i].header.minor == SSPM_UNKNOWN_MINOR_TYPE ){
        assert(parts[i].header.minor_text !=0);
        minor = parts[i].header.minor_text;
    }
    
    sprintf(mimetype,"%s/%s",major,minor);

    comp = icalcomponent_new(ICAL_XLICMIMEPART_COMPONENT);

    if(comp == 0){
        /* HACK Handle Error */
        assert(0);
    }

    if(parts[i].header.error!=SSPM_NO_ERROR){
        char *str;
        char* temp[256];

        if(parts[i].header.error==SSPM_UNEXPECTED_BOUNDARY_ERROR){
        str = "Got an unexpected boundary, possibly due to a MIME header for a MULTIPART part that is missing the Content-Type line";
        }

        if(parts[i].header.error==SSPM_WRONG_BOUNDARY_ERROR){
        str = "Got the wrong boundary for the opening of a MULTIPART part.";
        }

        if(parts[i].header.error==SSPM_NO_BOUNDARY_ERROR){
        str = "Got a multipart header that did not specify a boundary";
        }

        if(parts[i].header.error==SSPM_NO_HEADER_ERROR){
        str = "Did not get a header for the part. Is there a blank\
line between the header and the previous boundary\?";

        }

        if(parts[i].header.error_text != 0){
        snprintf((char*)temp,256,
             "%s: %s",str,parts[i].header.error_text);
        } else {
        strcpy((char*)temp,str);
        }

        icalcomponent_add_property
        (comp,
         icalproperty_vanew_xlicerror(
             (char*)temp,
             icalparameter_new_xlicerrortype(
             ICAL_XLICERRORTYPE_MIMEPARSEERROR),
             0));  
    }

    if(parts[i].header.major != SSPM_NO_MAJOR_TYPE &&
       parts[i].header.major != SSPM_UNKNOWN_MAJOR_TYPE){

        icalcomponent_add_property(comp,
        icalproperty_new_xlicmimecontenttype((char*)
                icalmemory_strdup(mimetype)));

    }

    if (parts[i].header.encoding != SSPM_NO_ENCODING){

        icalcomponent_add_property(comp,
           icalproperty_new_xlicmimeencoding(
           sspm_encoding_string(parts[i].header.encoding)));
    }

    if (parts[i].header.filename != 0){
        icalcomponent_add_property(comp,
           icalproperty_new_xlicmimefilename(parts[i].header.filename));
    }

    if (parts[i].header.content_id != 0){
        icalcomponent_add_property(comp,
           icalproperty_new_xlicmimecid(parts[i].header.content_id));
    }

    if (parts[i].header.charset != 0){
        icalcomponent_add_property(comp,
           icalproperty_new_xlicmimecharset(parts[i].header.charset));
    }

    /* Add iCal components as children of the component */
    if(parts[i].header.major == SSPM_TEXT_MAJOR_TYPE &&
       parts[i].header.minor == SSPM_CALENDAR_MINOR_TYPE &&
       parts[i].data != 0){

        icalcomponent_add_component(comp,
                    (icalcomponent*)parts[i].data);
        parts[i].data = 0;

    } else  if(parts[i].header.major == SSPM_TEXT_MAJOR_TYPE &&
       parts[i].header.minor != SSPM_CALENDAR_MINOR_TYPE &&
       parts[i].data != 0){

        /* Add other text components as "DESCRIPTION" properties */

        icalcomponent_add_property(comp,
               icalproperty_new_description(
           (char*)icalmemory_strdup((char*)parts[i].data)));

        parts[i].data = 0;
    }
    

    if(root!= 0 && parts[i].level == 0){
        /* We've already assigned the root, but there is another
               part at the root level. This is probably a parse
               error*/
        icalcomponent_free(comp);
        continue;
    }

    if(parts[i].level == last_level && last_level != 0){
        icalerror_assert(parent!=0,"No parent for adding component");

        icalcomponent_add_component(parent,comp);

    } else if (parts[i].level == last_level && last_level == 0 &&
        root == 0) {

        root = comp;
        parent = comp;

    } else if (parts[i].level > last_level){        

        parent = last;
        icalcomponent_add_component(parent,comp);

        last_level = parts[i].level;

    } else if (parts[i].level < last_level){

        parent = icalcomponent_get_parent(parent);
        icalcomponent_add_component(parent,comp);

        last_level = parts[i].level;
    } else { 
        assert(0);
    }

    last = comp;
    last_level = parts[i].level;
    assert(parts[i].data == 0);
    }

    sspm_free_parts(parts,NUM_PARTS);
    free(parts);

    return root;
}



int icalmime_test(char* (*get_string)(char *s, size_t size, void *d),
          void *data)
{
    char *out;
    struct sspm_part *parts;
    int i;

    if ( (parts = (struct sspm_part *)
      malloc(NUM_PARTS*sizeof(struct sspm_part)))==0) {
    icalerror_set_errno(ICAL_NEWFAILED_ERROR);
    return 0;
    }

    memset(parts,0,sizeof(parts));

    sspm_parse_mime(parts, 
            NUM_PARTS, /* Max parts */
            icalmime_local_action_map, /* Actions */ 
            get_string,
            data, /* data for get_string*/
            0 /* First header */);

   for(i = 0; i <NUM_PARTS && parts[i].header.major != SSPM_NO_MAJOR_TYPE ; 
       i++){
       if(parts[i].header.minor == SSPM_CALENDAR_MINOR_TYPE){
       parts[i].data = icalmemory_strdup(
           icalcomponent_as_ical_string((icalcomponent*)parts[i].data));
       }
   }

    sspm_write_mime(parts,NUM_PARTS,&out,"To: bob@bob.org");

    printf("%s\n",out);

    return 0;

}