1 #include <u.h>
2 #include <errno.h>
3 #include <libc.h>
4 #include <fcall.h>
5 #include <thread.h>
6 #include <auth.h>
7 #include <9p.h>
8 #include <libsec.h>
9 
10 #define APIKEY        "G9ANE2zvCozKEoLQ5qaR1AUtcE5YpuDj"
11 #define HOST          "api.smugmug.com"
12 #define UPLOAD_HOST   "upload.smugmug.com"
13 #define API_VERSION   "1.2.1"
14 #define PATH          "/services/api/json/" API_VERSION "/"
15 #define USER_AGENT    "smugfs (part of Plan 9 from User Space)"
16 
17 void*	emalloc(int);
18 void*	erealloc(void*, int);
19 char*	estrdup(char*);
20 int	urlencodefmt(Fmt*);
21 int	timefmt(Fmt*);
22 int	writen(int, void*, int);
23 
24 
25 // Generic cache
26 
27 typedef struct Cache Cache;
28 typedef struct CEntry CEntry;
29 
30 struct CEntry
31 {
32 	char *name;
33 	struct {
34 		CEntry *next;
35 		CEntry *prev;
36 	} list;
37 	struct {
38 		CEntry *next;
39 	} hash;
40 };
41 
42 Cache *newcache(int sizeofentry, int maxentry, void (*cefree)(CEntry*));
43 CEntry *cachelookup(Cache*, char*, int);
44 void cacheflush(Cache*, char*);
45 
46 // JSON parser
47 
48 typedef struct Json Json;
49 
50 enum
51 {
52 	Jstring,
53 	Jnumber,
54 	Jobject,
55 	Jarray,
56 	Jtrue,
57 	Jfalse,
58 	Jnull
59 };
60 
61 struct Json
62 {
63 	int ref;
64 	int type;
65 	char *string;
66 	double number;
67 	char **name;
68 	Json **value;
69 	int len;
70 };
71 
72 void	jclose(Json*);
73 Json*	jincref(Json*);
74 vlong	jint(Json*);
75 Json*	jlookup(Json*, char*);
76 double	jnumber(Json*);
77 int	jsonfmt(Fmt*);
78 int	jstrcmp(Json*, char*);
79 char*	jstring(Json*);
80 Json*	jwalk(Json*, char*);
81 Json*	parsejson(char*);
82 
83 
84 // Wrapper to hide whether we're using OpenSSL for HTTPS.
85 
86 typedef struct Protocol Protocol;
87 typedef struct Pfd Pfd;
88 struct Protocol
89 {
90 	Pfd *(*connect)(char *host);
91 	int (*read)(Pfd*, void*, int);
92 	int (*write)(Pfd*, void*, int);
93 	void (*close)(Pfd*);
94 };
95 
96 Protocol http;
97 Protocol https;
98 
99 
100 // HTTP library
101 
102 typedef struct HTTPHeader HTTPHeader;
103 struct HTTPHeader
104 {
105 	int code;
106 	char proto[100];
107 	char codedesc[100];
108 	vlong contentlength;
109 	char contenttype[100];
110 };
111 
112 char *httpreq(Protocol *proto, char *host, char *request, HTTPHeader *hdr, int rfd, vlong rlength);
113 int httptofile(Protocol *proto, char *host, char *req, HTTPHeader *hdr, int wfd);
114 
115 
116 // URL downloader - caches in files on disk
117 
118 int download(char *url, HTTPHeader *hdr);
119 void downloadflush(char*);
120 
121 // JSON RPC
122 
123 enum
124 {
125 	MaxResponse = 1<<29,
126 };
127 
128 Json*	jsonrpc(Protocol *proto, char *host, char *path, char *method, char *name1, va_list arg, int usecache);
129 Json*	jsonupload(Protocol *proto, char *host, char *req, int rfd, vlong rlength);
130 void	jcacheflush(char*);
131 
132 extern int chattyhttp;
133 
134 
135 // SmugMug RPC
136 
137 #ifdef __GNUC__
138 #define check_nil __attribute__((sentinel))
139 #else
140 #define check_nil
141 #endif
142 
143 Json* smug(char *method, char *name1, ...) check_nil;  // cached, http
144 Json* ncsmug(char *method, char *name1, ...) check_nil;  // not cached, https
145 
146 
147 // Session information
148 
149 extern Json *userinfo;
150 extern char *sessid;
151 
152 
153 // File system
154 
155 extern Srv xsrv;
156 void xinit(void);
157 extern int nickindex(char*);
158 
159 // Logging
160 
161 typedef struct Logbuf Logbuf;
162 struct Logbuf
163 {
164 	Req *wait;
165 	Req **waitlast;
166 	int rp;
167 	int wp;
168 	char *msg[128];
169 };
170 
171 extern void	lbkick(Logbuf*);
172 extern void	lbappend(Logbuf*, char*, ...);
173 extern void	lbvappend(Logbuf*, char*, va_list);
174 /* #pragma varargck argpos lbappend 2 */
175 extern void	lbread(Logbuf*, Req*);
176 extern void	lbflush(Logbuf*, Req*);
177 /* #pragma varargck argpos flog 1 */
178 
179 extern void	rpclog(char*, ...);
180 extern void	rpclogflush(Req*);
181 extern void	rpclogread(Req*);
182 extern void	rpclogwrite(Req*);
183 
184 enum
185 {
186 	STACKSIZE = 32768
187 };
188 
189 extern int printerrors;