curl post base64 jpeg图片精简版

╰+攻爆jí腚メ 2022-06-15 04:59 150阅读 0赞

/\*\*  
\* Copyright (C) 2017 Fuzhou Rockchip Electronics Co., Ltd  
\* author: Kaige Li <lkg@rock-chips.com>  
\*  
\* This software is licensed under the terms of the GNU General Public  
\* License version 2, as published by the Free Software Foundation, and  
\* may be copied, distributed, and modified under those terms.  
\*  
\* This program is distributed in the hope that it will be useful,  
\* but WITHOUT ANY WARRANTY; without even the implied warranty of  
\* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the  
\* GNU General Public License for more details.  
\*/  
  
  
\#include "httppost.h"  
\#include <curl/curl.h>  
\#include <string.h>  
\#include <sys/time.h>  
  
  
\#define POSTURL "http://121.40.93.5:7300/dbzf/router/rest?method=api/picture/upload"  
const char \* base64char = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";  
char \* base64\_encode( const unsigned char \* bindata, char \* base64, int binlength )  
\{  
int i, j;  
unsigned char current;  
  
  
for ( i = 0, j = 0 ; i < binlength ; i += 3 )  
\{  
current = (bindata\[i\] >> 2) ;  
current &= (unsigned char)0x3F;  
base64\[j++\] = base64char\[(int)current\];  
  
  
current = ( (unsigned char)(bindata\[i\] << 4 ) ) & ( (unsigned char)0x30 ) ;  
if ( i + 1 >= binlength )  
\{  
base64\[j++\] = base64char\[(int)current\];  
base64\[j++\] = '=';  
base64\[j++\] = '=';  
break;  
\}  
current |= ( (unsigned char)(bindata\[i+1\] >> 4) ) & ( (unsigned char) 0x0F );  
base64\[j++\] = base64char\[(int)current\];  
  
  
current = ( (unsigned char)(bindata\[i+1\] << 2) ) & ( (unsigned char)0x3C ) ;  
if ( i + 2 >= binlength )  
\{  
base64\[j++\] = base64char\[(int)current\];  
base64\[j++\] = '=';  
break;  
\}  
current |= ( (unsigned char)(bindata\[i+2\] >> 6) ) & ( (unsigned char) 0x03 );  
base64\[j++\] = base64char\[(int)current\];  
  
  
current = ( (unsigned char)bindata\[i+2\] ) & ( (unsigned char)0x3F ) ;  
base64\[j++\] = base64char\[(int)current\];  
\}  
base64\[j\] = '\\0';  
return base64;  
\}  
  
  
int base64\_decode( const char \* base64, unsigned char \* bindata )  
\{  
int i, j;  
unsigned char k;  
unsigned char temp\[4\];  
for ( i = 0, j = 0; base64\[i\] != '\\0' ; i += 4 )  
\{  
memset( temp, 0xFF, sizeof(temp) );  
for ( k = 0 ; k < 64 ; k ++ )  
\{  
if ( base64char\[k\] == base64\[i\] )  
temp\[0\]= k;  
\}  
for ( k = 0 ; k < 64 ; k ++ )  
\{  
if ( base64char\[k\] == base64\[i+1\] )  
temp\[1\]= k;  
\}  
for ( k = 0 ; k < 64 ; k ++ )  
\{  
if ( base64char\[k\] == base64\[i+2\] )  
temp\[2\]= k;  
\}  
for ( k = 0 ; k < 64 ; k ++ )  
\{  
if ( base64char\[k\] == base64\[i+3\] )  
temp\[3\]= k;  
\}  
  
  
bindata\[j++\] = ((unsigned char)(((unsigned char)(temp\[0\] << 2))&0xFC)) |  
((unsigned char)((unsigned char)(temp\[1\]>>4)&0x03));  
if ( base64\[i+2\] == '=' )  
break;  
  
  
bindata\[j++\] = ((unsigned char)(((unsigned char)(temp\[1\] << 4))&0xF0)) |  
((unsigned char)((unsigned char)(temp\[2\]>>2)&0x0F));  
if ( base64\[i+3\] == '=' )  
break;  
  
  
bindata\[j++\] = ((unsigned char)(((unsigned char)(temp\[2\] << 6))&0xF0)) |  
((unsigned char)(temp\[3\]&0x3F));  
\}  
return j;  
\}  
  
  
void encode(FILE \* fp\_in, FILE \* fp\_out)  
\{  
unsigned char bindata\[2050\];  
char base64\[4096\];  
size\_t bytes;  
while ( !feof( fp\_in ) )  
\{  
bytes = fread( bindata, 1, 2049, fp\_in );  
base64\_encode( bindata, base64, bytes );  
fprintf( fp\_out, "%s", base64 );  
\}  
\}  
  
  
void decode(FILE \* fp\_in, FILE \* fp\_out)  
\{  
int i;  
unsigned char bindata\[2050\];  
char base64\[4096\];  
size\_t bytes;  
while ( !feof( fp\_in ) )  
\{  
for ( i = 0 ; i < 2048 ; i ++ )  
\{  
base64\[i\] = fgetc(fp\_in);  
if ( base64\[i\] == EOF )  
break;  
else if ( base64\[i\] == '\\n' || base64\[i\] == '\\r' )  
i --;  
\}  
bytes = base64\_decode( base64, bindata );  
fwrite( bindata, bytes, 1, fp\_out );  
\}  
\}  
int HttpPostJpegString(char \*buf,int buf\_len)  
\{  
FILE \*pictureSrc;  
pictureSrc=fopen("/tmp/webproject/pictureSrc.jpg","w+");  
if (!pictureSrc) \{  
return -1;  
\}   
fwrite(buf, 1, buf\_len,pictureSrc);  
fseek(pictureSrc,0L,SEEK\_SET);  
HttpPostJpegFile(pictureSrc);  
fclose(pictureSrc);  
\}  
int HttpPostJpegFile(FILE \*fp)  
\{  
CURL \*curl;  
long int flength,first;   
struct curl\_httppost \*formpost=NULL;  
struct curl\_httppost \*lastptr=NULL;  
struct curl\_slist \*headerlist=NULL;  
static const char buf\[\] = "Expect:";  
char \*didi;  
FILE \*pEncode;  
  
pEncode=fopen("/tmp/webproject/pEncode.jpg","w+");  
if (!pEncode) \{  
return -1;  
\}  
fseek(fp,0L,SEEK\_SET);  
encode(fp, pEncode);  
fseek(pEncode,0L,SEEK\_SET);  
first=ftell(pEncode);  
fseek(pEncode,0L,SEEK\_END);  
flength=ftell(pEncode)-first;  
fseek(pEncode,0L,SEEK\_SET);  
/\*read the data and display it\*/  
didi=(char \*) malloc(flength);  
if(didi==NULL)  
exit(1);  
fread(didi,1,flength,pEncode);  
fclose(pEncode);  
curl\_formadd(&formpost,  
&lastptr,   
CURLFORM\_COPYNAME, "imgBase64",  
CURLFORM\_COPYCONTENTS, didi, CURLFORM\_END);  
curl\_global\_init(CURL\_GLOBAL\_ALL);   
curl = curl\_easy\_init();  
  
/\* initalize custom header list (stating that Expect: 100-continue is not  
 wanted \*/  
headerlist = curl\_slist\_append(headerlist, buf);  
if(curl) \{   
  
 /\* what URL that receives this POST \*/  
 curl\_easy\_setopt(curl, CURLOPT\_URL,POSTURL);  
 curl\_easy\_setopt(curl, CURLOPT\_VERBOSE, 1L);   
 curl\_easy\_setopt(curl, CURLOPT\_POSTFIELDSIZE, flength);  
 curl\_easy\_setopt(curl, CURLOPT\_HTTPHEADER, headerlist);  
 curl\_easy\_setopt(curl, CURLOPT\_HTTPPOST, formpost);  
 curl\_easy\_setopt(curl, CURLOPT\_CONNECTTIMEOUT\_MS, 1000L);  
 curl\_easy\_perform(curl);  
 curl\_easy\_cleanup(curl);  
 curl\_formfree(formpost);   
 curl\_global\_cleanup();   
 /\* free slist \*/   
 curl\_slist\_free\_all (headerlist);  
\}  
free(didi);  
return 0;  
\}