-// nofadingd.cpp
-// The online interface for the fading enhancement tool
-// 04.03.2015
-//
-// Copyright (C) 2015 Balthasar Szczepański
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as
-// published by the Free Software Foundation, either version 3 of the
-// License, or (at your option) any later version.
-//
-// 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 Affero General Public License for more details.
-//
-// You should have received a copy of the GNU Affero General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
-//
+/*
+nofading-cgi.c
+The online interface for the fading enhancement tool
+04.12.2022
-// Requires cgilib (http://www.infodrom.org/projects/cgilib/)
-// line 146 of cgi.h must be changed from:
-// extern }
-// to:
-// }
+Copyright (C) 2015, 2022 Balthasar Szczepański
-by balthasar_s
- Fri Jun 12, 2015 6:59 am UTC
-
- Forum: Individual XKCD Comic Threads
- Topic: 1190: "Time"
- Replies: 93408
- Views: 10895653
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+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 Affero General Public License for more details.
+You should have received a copy of the GNU Affero General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+Requires cgilib (http://www.infodrom.org/projects/cgilib/)
+*/
-#include <cgi.h>
#include <stdio.h>
-#include <stdlib.h>
+#include <stdint.h>
#include <unistd.h>
-#include <string.h>
+#include <stdlib.h>
#include <sys/wait.h>
-#include <sys/stat.h>
+#include <stdint.h>
+#include <inttypes.h>
-#define WGET_PATH "/usr/bin/wget"
-#define ENH_PATH "./nofading"
-#define RM_PATH "/bin/rm"
-#define LOG_PATH "/eizm/log/nofading/nofading.log"
-#define USERAGENT "No fading (1190.bicyclesonthemoon.dnsd.info/nofading/nofading.htm)"
-#define MSTD_PATH "/pro/nofading/nf.png"
-
-int main (int argc, char *argv[]);
-void mustard(int mustard);
+#include <cgi.h>
-FILE *pix;
+#include "online-core.h"
+#include "nf.h"
-char url[1024];
-char path[256];
-s_cgi *cgi;
-int t;
-pid_t sub;
+int nofading (
+ char *inpix, char *outpix,
+ uint_fast32_t border,
+ uint_fast8_t individual_channels,
+ uint_fast8_t enhance_alpha,
+ uint_fast8_t remove_alpha
+);
int main (int argc, char *argv[])
{
- unsigned char buf[1024];
- struct stat st;
- unsigned long p;
- unsigned short q;
- char **up;
-
- cgi=cgiInit();
-
- up=cgiGetFiles(cgi);
- if (up)
- {
- sprintf(path,"%s",cgiGetFile(cgi,up[0])->tmpfile);
- sprintf(url,"%s",cgiGetFile(cgi,up[0])->filename);
- }
- else
- {
- sprintf(url,"%s",(cgiGetValue(cgi,"inpix")!=NULL)?(cgiGetValue(cgi,"inpix")):"");
- sprintf(path,"/var/tmp/%lu",(unsigned long)getpid());
-
- //Why is there no spawnl() in linux?
- sub=fork();
- if(sub==0)
- {
- t=execl(WGET_PATH,WGET_PATH,"-q","-t","2","-U",USERAGENT,"-O",path,url,(char *)0);
- exit(t);
- }
- waitpid(sub,&t,0);
- if(t)mustard(t);
- }
-
- sub=fork();
- if(sub==0)
- {
- t=execl(ENH_PATH,ENH_PATH,path,path,(cgiGetValue(cgi,"f")!=NULL)?(cgiGetValue(cgi,"f")):"0","q",cgiGetValue(cgi,"a")!=NULL?"0":"a",(char *)0);
- exit(t);
- }
- waitpid(sub,&t,0);
- if(t)mustard(t);
+ s_cgi *cgi;
+ char in_tmp[256];
+ char out_tmp[256];
+ char *in_path;
+ char *t;
+ uint_fast32_t border;
+ uint_fast8_t individual_channels, enhance_alpha, remove_alpha;
- pix=fopen(path,"rb");
- if(pix==NULL)
- mustard(123);
- fstat(fileno(pix),&st);
- p=st.st_size/1024;
- q=st.st_size%1024;
+ int r=0;
+ int r1=0;
+ int r2=0;
+ int r3=0;
- printf("Content-Length: %lu\n",(unsigned long)(st.st_size));
- printf("Content-type: image/png\n\n");
- for(unsigned long i=0;i<p;++i)
- {
- fread(buf,1,1024,pix);
- fwrite(buf,1,1024,stdout);
- }
- if(q!=0)
+ do {
+ make_tmp_path(in_tmp, 256, 0, "");
+ make_tmp_path(out_tmp, 256, 1, ".png");
+
+ cgi=cgiInit();
+
+ r = get_file(cgi,"inpix", in_tmp, &in_path);
+ if (r)
+ break;
+
+ individual_channels = (cgiGetValue(cgi, "c")!=NULL) ? 0 : 1;
+ enhance_alpha = (cgiGetValue(cgi, "a")!=NULL) ? 1 : 0;
+ remove_alpha = (cgiGetValue(cgi, "n")!=NULL) ? 1 : 0;
+
+ t = cgiGetValue(cgi, "f");
+ if (t != NULL)
+ sscanf(t,"%"SCNuFAST32, &border);
+ else
+ border = 0;
+
+ r = nofading(
+ in_path, out_tmp,
+ border,
+ individual_channels, enhance_alpha, remove_alpha
+ );
+ if (r)
+ break;
+ r1 = send_file(out_tmp, "image/png", 0);
+ } while (0);
+ if (r)
{
- fread(buf,1,q,pix);
- fwrite(buf,1,q,stdout);
+ r1 = send_data(nf, nf_size, "image/png", 500);
}
- fclose(pix);
- fflush(stdout);
- mustard(0);//no mustard
+ r2 = rm(in_tmp);
+ r3 = rm(out_tmp);
+ if (r)
+ return r;
+ if (r1)
+ return r1;
+ if (r2)
+ return r2;
+ if (r3)
+ return r3;
+ return 0;
}
-void mustard(int mustard)
+int nofading (
+ char *inpix, char *outpix,
+ uint_fast32_t border,
+ uint_fast8_t individual_channels,
+ uint_fast8_t enhance_alpha,
+ uint_fast8_t remove_alpha
+)
{
- if(mustard)
- {
- cgiRedirect(MSTD_PATH);
- }
- sub=fork();
- if(sub==0)
- {
- t=execl(RM_PATH,RM_PATH,"-f",path,(char *)0);
- exit(t);
- }
- waitpid(sub,&t,0);
- pix=fopen(LOG_PATH,"at");
- if(pix!=NULL)
+ char s_border[11];
+ pid_t sub;
+ int r;
+
+ snprintf(s_border, 11, "%"PRIuFAST32, border);
+
+ sub = fork();
+ if (sub == 0)
{
- fprintf(pix,"%x %s\n",mustard,url);
- fclose(pix);
+ r = execl(
+ NOFADING_PATH, NOFADING_PATH,
+ individual_channels ? "-c" : "-0",
+ enhance_alpha ? "-a" : "-0",
+ remove_alpha ? "-n" : "-0",
+ inpix, outpix,
+ s_border,
+ (char *)0
+ );
+ exit(r);
}
- exit(mustard);
-}
\ No newline at end of file
+ waitpid(sub, &r, 0);
+ return r;
+}